One (1) New Four-Wheel Steering Street Sweeper

CITY OF CASPER
FLEET MAINTENANCE DIVISION
CITY OF CASPER
July 1, 2026 Bid #FY27006
Notice is hereby given that the City of Casper, Wyoming will receive sealed bids at the Casper Service
Center, 1800 E. "K" Street, Casper, Wyoming, until 3:00 p.m., July 30, 2026 for the following:
One (1) New Four-Wheel Steering Street Sweeper, to be used in the Solid Waste Division of the Public Services
Department; unit must have the minimum specifications of:
General
Specifications: It is the intent of these specifications to specify the minimum requirement for the
furnishing and delivery of one (1) new four-wheel steering street sweeper. The unit shall
be new and have less than fifty (50) hours and be less than twelve (12) months old, with
full factory warranty. Unit shall be delivered complete and ready for service, as specified,
and shall be equipped with all of the manufacturer's standard equipment, as advertised,
whether or not specifically mentioned in these specifications, in addition to all other
equipment and attachments specified herein.
ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
1. ENGINE 4.5 Litter equipped with 138horsepower minimal.
________________________
Unit must be able to sweep a consistent route of no less ________________________
then 8 hours on a single tank of fuel. ________________________
________________________
The Def tank must be no less than 6.8 US Gallons and ________________________
mounted Opposite side of fuel fill cap. ________________________
________________________
Engine must be a minimum of a Tier IV Final rating _______________________
and a maximum of a Step V rated engine.
2. DRIVE TRAIN The sweeper must have a closed-circuit hydrostatic ________________________
drive system on the front differential equipped with a ________________________
hydraulic motor and a load sense piston pump that can ________________________
be set automatically with variable speeds included ________________________
between 0 and 20 mph. ________________________
The forward and reverse rears must be engaged by ________________________
selecting the corresponding gear with the specific shift ________________________
control located on the steering column in the cab. ________________________
Hydrostat controls selected with your foot will not be ________________________
allowed due safety and ergonomic discomfort for the ________________________
operator.

ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
When reverse is engaged, the reverse indicator ________________________
lights on the rear must be lit and the backup alarm ________________________
simultaneously environments to become aware. ________________________
3. HYDRAULIC Both the driver and service hydraulics systems must ________________________
SYSTEM depend on a single oil tank located in an easily ________________________
accessible area behind the cab. ________________________
________________________
The tank must be provided with a level and ________________________
temperature indicator located on the side of the ________________________
machine and clearly visible from the ground. ________________________
________________________
The drive and service hydraulic systems must share a ________________________
single filter positioned in the upper part of the tan, ________________________
whose cartridge can be quickly and simply be replaced ________________________
without any oil loss. ________________________
________________________
A pressure switch must be installed on the filter which ________________________
allows the operator to be informed in real time by ________________________
means of an indicator lamp in the cab showing any filter ________________________
blockage. ________________________
________________________
A float must send an electrical signal to the cab to ________________________
inform the operator of any oil level reduction due to ________________________
probable losses.
4. STEERING The steering gear must provide power steering to ________________________
GEAR all four wheels, to facilitate vehicle handling while ________________________
driving. ________________________
________________________
The sweeper must be equipped with a four-wheel ________________________
steerable axle system for a maximum ________________________
Maneuverability. ________________________
________________________
Power must be provided to the four-wheel steering by a ________________________
hydraulic power steering mechanism with incorporated ________________________
safety valves. ________________________
________________________
Turning radius shall not be more than 16FT, and this ________________________
must be accomplished by all four wheels of the sweeper ________________________
turning in conjunction with each other while obtaining ________________________
the same wheel pattern from front and rear tires. ________________________

ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
5. WHEELS The vehicle has four wheels which are spaced on the ________________________
outside four corners of the sweeper ensuring maximum ________________________
possible vehicle stability both during work and during ________________________
hopper discharge operations performed at various ________________________
heights up to a maximum of 92"in height. ________________________
________________________
Front and rear wheels must follow in the same ________________________
footprint, eliminating the machine from trailing debris ________________________
while turning. ________________________
________________________
Unit must be equipped with tire size: 285/70R 19.5, all ________________________
four tires must be the same size. ________________________
6. DRAFT GEAR The sweeper must be provided with a draft gear for ________________________
towing. The tow hook must be removable from front of ________________________
sweeper and stowed and pinned in a storage area behind ________________________
the cab.
7. SUSPENSIONS Front suspension must have semi-elliptic springs and ________________________
gas shock absorbers. If machine does not offer ________________________
suspension on each wheel independently, it will NOT ________________________
be considered. _______________________
Rear suspensions are hydraulically operated and must ________________________
have two (2) automatic positions: ________________________
a. A low position to be used during sweeping mode and ________________________
dumping mode. ________________________
b. A high position to be used during vehicle transport ________________________
mode and to overcome height differences of up to 7.87- ________________________
inches. ________________________
________________________
Intermediate rear suspension settings must be able to be ________________________
obtained manually from inside the cab ________________________
________________________
This hydraulic suspension system must allow for the ________________________
vehicle chassis to be kept at a given height above the ________________________
ground through an automatic setting, regardless of the ________________________
weight of the debris collected. ________________________
8. BRAKING The differential axles must be provided with serviceable ________________________
SYSTEM disk brakes immersed in an oil bath fitted on the axle ________________________
shafts of the wheels. ________________________
________________________

ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
The emergency brake must be incorporated into the ________________________
service brake. ________________________
________________________
The parking brake is mechanical disc brake that affects ________________________
the input driveline to the front axle and must be ________________________
controlled by operating a manual lever provided with an ________________________
irreversible device. ________________________
________________________
The entire brake system is hydraulically driven. ________________________
________________________
The parking brake device must also transmit the driving ________________________
power through a sheathed steel cable. ________________________
________________________
While the parking brake is applied, a light must be ________________________
displayed on the control panel. ________________________
________________________
While the parking brake is applied, an alarm must ________________________
sound in the cab when attempting to move the vehicle. ________________________
________________________
Disc brakes must be provided on each of the four (4) ________________________
wheels to provide equal stopping pressures. Drum ________________________
brakes will NOT be acceptable. ________________________
________________________
9. ELECTRIC ________________________
SYSTEM The electric system used by the vehicle must be ________________________
designed according to the applicable road traffic
regulations division. ________________________
________________________
_______________________
The voltage provided must be 24-volts, 90-amps with a ________________________
2160-watt power alternator. 12-volt systems will NOT ________________________
be allowed. Two (2) 12-volt batteries, 900-cca per ________________________
battery. ________________________
________________________
The electrical system consists of: ________________________
a. Sweeper Lights: ________________________
i. Headlights shall be sealed beam ________________________
ii. Wiring shall be sealed modular plug-in type. ________________________
iii. Individual stop/turn/mid-body turn/tail/lights at _ _ ______________________
rear of sweeper. All lights shall be 24vDC, flush mount, ________________________
sealed lexan body, grommet insulted, multi-pin units. ________________________
iv. Center at top of cab mounted 3rd brake light shall ________________________
be provided. ________________________
v. Back up lights, flus mount, sealed lexan body, ________________________
grommet insulted, multi-pin units ________________________
vi. Marker lights ________________________
________________________

ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
vii. Work lights at top front left/right of cab front LED ________________________
type ________________________
viii. DOT type - approved flashing hazard indicators. ________________________
ix. Amber strobe light mounted on top front and rear ________________________
of machine and guarded. ________________________
________________________
b. Side Broom Lights: ________________________
i. Left and right curb brush and rear facing LED ________________________
floodlights shall be provided. ________________________
________________________
c. Electrical Wiring: ________________________
i. Wiring shall be numbered and encased in spilt loom ________________________
protective harness. ________________________
ii. The electrical system shall be protected with auto- ________________________
resetting circuit breakers of fuses ________________________
iii. All non-factory wire type connections (splices, ________________________
connections) shall be soldered and shrink tube insulated ________________________
with adhesive/melt-able sealant, thick-wall polyolefin ________________________
shrink tubing. Non-factory crimp connections allowed. ________________________
No cutting or splicing into factory wiring harnesses ________________________
allowed without prior discussion and approval. ________________________
________________________
d. Miscellaneous ________________________
i. Windshield washers and wiper system with ________________________
intermittent feature ________________________
ii. Horn ________________________
iii. Reverse backup alarm, 107-decibles. ________________________
iv. Backup camera with monitor mounted in cab.
10. FUNCTIONAL Collection must be performed mechanically by means ________________________
SPECS of 42" diameter side brooms conveying waste towards ________________________
the center of the machine, where a 51" long x 26" ________________________
diameter main broom aligns debris with the fully ________________________
enclosed and sealed conveyor. ________________________
The dust/particles must then be vacuumed in and ________________________
retained in the actual 6.0 cubic yard hopper by suction ________________________
pressure created in the body itself by two high capacity ________________________
hydraulic fans and filtered by a Teflon coated fabric ________________________
filtering system that completes the sweeping cycle by ________________________
ensuring only clean air is re-introduced into the ________________________
environment. ________________________
________________________
Water will not be permitted on the main broom, the ________________________
gutter/side brooms and the adjustable front broom. ________________________
________________________
________________________

ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
Unit must be capable collecting all different types of ________________________
waste materials including materials such as bottles, ________________________
sticks, stones, millings, leaves with no need to stop the ________________________
sweeper for manual adjustment on the elevator. ________________________
________________________
Unit must be capable of making a pass and collecting ________________________
all debris in roadway. ________________________
________________________
Unit must be capable of following contour of street/curb ________________________
line while not allowing any debris to trail while turning ________________________
machine. ________________________
________________________
Unit must be equipped with front wheel drive only. ________________________
________________________
Unit must be equipped with hydraulic adjustable rear ________________________
suspension and front spring suspension. ________________________
________________________
The system must be able to sweep without water in the ________________________
winter, when temperatures are below freezing causing ________________________
no damage to the water system, and permitting limited ________________________
dust particulates to enter the atmosphere. ________________________
________________________
Two small-size suction fans housed in an appropriately ________________________
11. OPERATOR insulated compartment must limit noise levels. ________________________
CAB ________________________
The operator's cab shall be designed with large glass ________________________
surfaces both in the front and on each side door to ________________________
provide the operator with the widest possible visibility ________________________
during vehicle handling. ________________________
________________________
The operator's view while sweeping must be forward ________________________
facing at all times allowing them full visibility of the ________________________
traffic in front of them - looking out the side window or _
down at side broom must be accomplished by only the ________________________
use of mirrors. ________________________
________________________
Exterior rearview mirrors: ________________________
a. Two (2) mirrors required, cab A-pillar mounting ________________________
bracket mounted left and right side for external rear
view mirrors. ________________________
b. Main mirrors, heated, moto-mirror 7-inch X 14-inch ________________________
motor heard (left, right), breakaway type stainless steel ________________________
or plastic. ________________________
c. Auxiliary mirrors mounted to the left and right front ________________________
mounted combination mirror shall be two (2) inside ________________________
facing rectangular 6-inch by 9 1/2-inch diameter convex ________________________
mirrors. ________________________

ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
d. The mirrors shall not extend more than 13-inches ________________________
beyond the doors. ________________________
e. A mirror guard for each main rearview mirror shall ________________________
be provided that is large enough and strong enough to ________________________
sufficiently protect/guard the mirrors from limb and ________________________
road damage. ________________________
________________________
The driver's cab has two (2) full size seats with ________________________
adjustable spring ride on each seat for the operator's ________________________
comfort and required to meet applicable road traffic ________________________
regulations. Jump seats will not be allowed. ________________________
________________________
Adjustable hydraulic power steering must be installed ________________________
for drive comfort. ________________________
________________________
Two (2) sets of keys per machine ________________________
________________________
AM/FM/Bluetooth radio with a minimum two (2) ________________________
speakers. ________________________
________________________
The City of Casper will furnish a VHF 2-way radio and ________________________
antenna. A local Casper Dealer shall install the radio ________________________
but there must be a converter to convert 24-volts to 12- ________________________
volts with 25-amp service. ________________________
________________________
Control panel located on the steering column is ________________________
provided with the following devices: ________________________
a. Forward and reverse gear selector for vehicle ________________________
handling. ________________________
b. Control lever to operate DOT-approved headlights, ________________________
directional indicators, arrow flashing warning light bar ________________________
mounted on tailgate, and warning horn. ________________________
c. Sweeping RPM Increase/Decrease push-button. ________________________
d. Road pan indention sweeping push-button ________________________
e. Turn signal selector lever ________________________
f. High beam headlights selector lever ________________________
Central sweeper control panel must contain the ________________________
following controls: ________________________
a. Work light switch ________________________
b. Manual hydraulic suspension switch for servicing ________________________
machine ________________________
c. Hopper filter shaker switch ________________________
d. Water pump switch ________________________
e. Right and left side broom water on/off switch ________________________
f. Automatic rear suspension height positioning switch. ________________________
________________________

ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
Hopper discharge controls: ________________________
a. Scissors up/down switch ________________________
b. Hopper tilt switch ________________________
c. Tailgate Lock/Unlock Switch, Tailgate Open/Close ________________________
Switch ________________________
________________________
Sweep function controls: ________________________
a. Vacuum fan on/off switch ________________________
b. Main broom/conveyor - forward/reverse - on/off ________________________
switch ________________________
c. Left side broom raise/lower - on/off switch ________________________
d. Right side broom raise/lower - on/off switch ________________________
________________________
The following warning lamps must be installed on the ________________________
sweeper for safe sweeper functionality. ________________________
a. The central sweeper control panel must be positioned ________________________
in the center of cab for optimal sweeper operation from ________________________
right side, it must house the electric controls, and ________________________
individual lighting system to facilitate controls during ________________________
night work. ________________________
b. Lamp indicator showing when hydraulic suspension ________________________
is in lowered position mode. ________________________
c. Maximum engine coolant temperature lamp. ________________________
d. Insufficient endothermal engine oil pressure lamp. ________________________
e. Insufficient battery charge lamp. ________________________
f. Direction indicator lamp ________________________
g. High bean indicator lamp ________________________
h. Container full lamp ________________________
i. Excessive engine coolant temperature lamp ________________________
j. Low fuel warning light
k. Scissors up indicator lamp ________________________
l. Machine tilt indicator. ________________________
m. Hopper not stowed lamp. ________________________
n. Hydraulic oil level indicator lamp. ________________________
o. Hydraulic oil filter indicator lamp ________________________
p. Engine air filter indicator lamp ________________________
q. Tailgate closed indicator lamp ________________________
r. Diesel engine glow plug pre-heating indicator lamp ________________________
s. Engine oil pressure indicator lamp ________________________
t. Parking brake indicator lamp ________________________
u. Engine diagnostic testing port located in glove box ______________________
v. Water pump indicator lamp ________________________
w. Low water tank indicator lamp (with automatic ________________________
water pump shut-off.) ________________________
________________________
________________________
The central sweeper control panel must contain the ________________________

ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
following controls/gauges. ________________________
a. Front broom (3rd broom) speed control valve ________________________
(increases/decreases front broom 3rd broom speed) ________________________
b. Side broom speed control valve (increases/decreases ________________________
side broom speed) ________________________
c. Main broom down pressure control valve ________________________
(increases/decreases main broom down pressure) ________________________
d. Pressure gauge indicating the down pressure of the ________________________
main broom ________________________
e. Individual side broom and front broom (3rd broom) ________________________
fully adjustable water control valves. ________________________
f. Right side broom adjustable water spray tips valve
control knob.
g. Left side broom adjustable water spray tips valve
control knob.
h. Right-side of front broom (3rd broom) adjustable
water spray tips valve control knob.
i. Left-side of front broom (3rd broom) adjustable water ________________________
spray tips valve control knob. ________________________
________________________
Front Broom (3rd Broom) Control Panel: ________________________
a. The side shift (traverse) and elevation control for the ________________________
front (3rd) broom are operated/obtained with a joystick ________________________
located on the operator's door control panel. ________________________
b. Front broom (3rd broom) longitudinal and transversal ________________________
joystick also must located on the operator's door ________________________
control panel. ________________________
c. Front broom (3rd broom) directional rotation switch ________________________
located on the operator's door control panel. ________________________
d. Front broom (3rd broom) water control switch ________________________
located on the operator's door control panel. ________________________
e. Front broom (3rd broom) arm rotation switch ________________________
allowing front broom to side shift 180-degrees must ________________________
also be located on the operator's door control panel. ________________________
f. This control panel allows the front broom to be used ________________________
accurately and effectively without distracting the ________________________
operator from driving the vehicle or looking away from ________________________
traffic. ________________________
________________________
Sweeper Cabin: ________________________
a. The cab is to be equipped with an airtight closure ________________________
system keeping dust particulates out. ________________________
b. A high-capacity filter allowing only clean air to be ________________________
introduced into the cab and a "DELPHI"-type, three- ________________________
speed, air-conditioning system for cooling the cab must ________________________
be included. Roof-top air conditioning systems will ________________________
NOT be acceptable. ________________________

ITEM MINIMUM SPECIFICATIONS BIDDERS
SPECIFICATIONS
c. A three-speed forced ventilation system heats up the ________________________
driver's cab through a number of ducts that send air to ________________________
the windshield for optimal defrosting and to the lower ________________________
part of the cab (feet area) for driver comfort. Each vent ________________________
must be able to open/close independently of each other. ________________________
d. The cab is completely coated with sound-proofing ________________________
materials that reduce noise levels to a minimum, ________________________
making the Db levels safe for the operator. ________________________
e. The cab tilting system uses a hydraulic pump and ________________________
allows for easy access to the endothermal and the ________________________
mechanical parts located behind the cab. Non-tilting ________________________
cabs will NOT be acceptable. ________________________
12. SIDE BROOMS The vehicle is provided with two (2) one piece side ________________________
brooms, one positioned on the right and another on the ________________________
left-hand side of the main body. ________________________
________________________
Both the positioning and rotation of the side booms are ________________________
hydraulically operated. NO air or electric will be ________________________
allowed to control any function on side brooms. ________________________
________________________
The two side brooms can be operated either individually ________________________
or together - according to the different working ________________________
requirements. Side brooms come equipped with an ________________________
automatic retractable spring system that retracts them in ________________________
the case of a collision. ________________________
________________________
Broom tilt can be mechanically adjusted with respect to ________________________
the surface, thus allowing for a constantly perfect ________________________
setting for each type of application. ________________________
________________________
The rotation rate of the two side brooms can be adjusted ________________________
directly from the operator's seat with variable values ________________________
ranging from 0-70-RPM. ________________________
________________________
The total external diameter of the single piece broom is ________________________
41.73-inches ________________________
________________________
The sweeping member of the broom consists of 3 X ________________________
.07-inch polypropylene bristles mixed with 3 X .07-inch ________________________
steel wire. Pure steel wire will NOT be acceptable. ________________________
13. ROTATING The front broom (3rd broom), must be hydraulically ________________________
FRONT BROOM controlled with full functionality directly from the ________________________
(3rd BROOM) operator's seat via two (2) joysticks and three (3) ________________________