988K Millyard Arrangement
Introduced in 1963, the 988 has been the industry leader for 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency. The 988K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 988K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.
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SPECIFICATION SUMMARY
- Net Power 541.0 hp
- Operating Weight 139920.0 lb
- Engine Model Cat® C18 ACERT™
- Net Power - SAE J1349 541.0 hp
PRICE (USD)
Call 800-637-5000 for rate information
Engine
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Net Power541.0 hp
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Engine ModelCat® C18 ACERT™
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Net Power - SAE J1349541.0 hp
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Bore5.7 in
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Stroke7.2 in
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Displacement1105.0 in3
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Torque Rise58.0 %
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Rated Speed1,700 rpm
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EmissionsU.S. EPA Tier 4 Final/EU Stage IV Technology or Tier 2 Equivalent
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Gross - ISO 14396580 HP
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Peak Power Speed1500/min
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Peak Power Speed - 1,500 rpm - Gross - ISO 14396580 HP
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Peak Power Speed - 1,500 rpm - Gross - SAE J1995588 HP
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Peak Power Speed - 1,500 rpm - Net Power - SAE J1349541 HP
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Peak Torque - 1,200 rpm2104 lb/ft
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Net Power541 HP
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Engine ModelCat® C18 ™
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Net Power - SAE J1349541 HP
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Bore5.7 in
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Stroke7.2 in
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Displacement1105 in³
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Torque Rise58 %
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Rated Speed1700/min
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EmissionsU.S. EPA Tier 4 Final/EU Stage IV Technology or Tier 2 Equivalent
Operating Specifications
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Operating Weight139920.0 lb
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Tipping Load - Articulated 37°68005.0 lb
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Tipping Load - Straight78115.0 lb
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Operating Weight139920 lb
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Tipping Load - Articulated 37°68005 lb
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Tipping Load - Straight78115 lb
Transmission
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Transmission TypeCat planetary power shift
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Forward 14.0 mph
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Forward 27.2 mph
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Forward 312.7 mph
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Forward 421.6 mph
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Reverse 14.7 mph
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Reverse 28.3 mph
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Reverse 314.4 mph
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Direct Drive - Forward 27.8 mph
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Direct Drive - Reverse 15.0 mph
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Direct Drive - Reverse 28.9 mph
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Direct Drive - Forward 1Lock-up disabled
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Direct Drive - Forward 313.9 mile/h
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Direct Drive - Forward 424.4 mile/h
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Direct Drive - Reverse 315.8 mile/h
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Transmission TypeCat-Planetenlastschaltgetriebe
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Forward - 14 mile/h
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Forward - 27.2 mile/h
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Forward - 312.7 mile/h
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Forward - 421.6 mile/h
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Reverse - 14.7 mile/h
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Reverse - 28.3 mile/h
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Reverse - 314.4 mile/h
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Direct Drive - Forward 27.8 mile/h
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Direct Drive - Reverse 15 mile/h
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Direct Drive - Reverse 28.9 mile/h
Axles
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FrontFixed
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RearTrunnion
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Oscillation Angle13°
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FrontFixed
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RearTrunnion
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Oscillation Angle13°
Hydraulic System - Steering
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Steering System - CircuitPilot, load sensing
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Steering System - PumpPiston, variable displacement
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Maximum Flow71.3 gal/min
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Steering Cycle Time (high idle)3.4 Seconds
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Steering Cycle Time (low idle)5.6 Seconds
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Total Steering Angle74.0 Degrees
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Relief Valve Setting - Steering4351 psi
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Steering System - CircuitPilot, load sensing
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Steering System - PumpPiston, variable displacement
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Maximum Flow71.3 gal/min
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Steering Cycle Times - High Idle3.4 s
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Steering Cycle Times - Low Idle5.6 s
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Total Steering Angle74 °
Service Refill Capacities
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Fuel Tank188.0 gal
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Cooling System31.7 gal
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Crankcase15.9 gal
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Transmission31.7 gal
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Differentials and Final Drives - Front49.1 gal
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Differentials and Final Drives - Rear49.1 gal
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Hydraulic System (tank only)63.4 gal
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Diesel Exhaust Fluid Tank8.7 gal
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Hydraulic System Factory Fill125.5 gal (US)
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Fuel Tank188 gal (US)
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Cooling System31.7 gal (US)
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Crankcase15.9 gal (US)
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Transmission31.7 gal (US)
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Differential - Final Drives - Front49.1 gal (US)
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Differential - Final Drives - Rear49.1 gal (US)
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Hydraulic System - Tank Only63.4 gal (US)
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Diesel Exhaust Fluid Tank8.7 gal (US)
Forks
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Fork End Area69.0 ft2
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Fork End Area69 ft²
Sound Performance - Standard
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Machine Sound Level (ISO 6395)111.0 dB(A)
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Operator Sound Level (ISO 6396)71.0 dB(A)
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Machine Sound Level (ISO 6395)111 dB(A)
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Operator Sound Level (ISO 6396)71 dB(A)
Hydraulic System - Lift/Tilt
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Cylinders, Double Acting: Lift, Bore and Stroke235 mm × 976 mm (9.25 in × 38.4 in)
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Cylinders, Double Acting: Tilt, Bore and Stroke292 mm × 671 mm (11.5 in × 26.4 in)
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Maximum Flow at 1,400-1,860 rpm153.0 gal/min
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Pilot SystemVariable displacement piston
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Relief Valve Setting - Lift/Tilt4641.0 psi
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Lift/Tilt SystemVariable displacement piston
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Maximum Flow13.7 gal/min
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Relief Valve Setting - Main580 psi
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Cylinders, Double Acting - Lift, Bore and Stroke235 mm × 976 mm (9.25 in × 38.4 in)
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Cylinders, Double Acting - Tilt, Bore and Stroke292 mm × 671 mm (11.5 in × 26.4 in)
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Maximum Flow at 1,400-1,860 rpm153 gal/min
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Pilot SystemVariable displacement piston
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Lift/Tilt System - CircuitEH- Positive Flow Control, Flow Sharing
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Relief Valve Setting - Lift/Tilt4641 psi
Sound Performance - Suppression
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Machine Sound Level (ISO 6395)109.0 dB(A)
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Operator Sound Level (ISO 6396)70.0 dB(A)
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Machine Sound Level (ISO 6395)109 dB(A)
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Operator Sound Level (ISO 6396)70 dB(A)
Brakes
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BrakesSAE J1473 OCT90, ISO 3450:1992
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BrakesSAE J1473 OKT90, ISO 3450:1992
Dimensions - Millyard Linkage
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Dump Angle at Maximum Lift39.4 °
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Fork Height at Maximum Lift15.3 ft
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Fork Height with Level Arms8.1 ft
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Fork Top Clamp Opening12.3 ft
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Front Axle Centerline to Fork Tip15.6 ft
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Ground to Bumper Clearance3.1 ft
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Ground to Center of Front Axle3.2 ft
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Ground to Lower Hitch Clearance1.9 ft
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Ground to Top of Exhaust Stacks13.8 ft
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Ground to Top of Hood10.9 ft
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Ground to Top of ROPS13.8 ft
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Hinge Pin Height at Maximum Lift16.1 ft
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Maximum Overall Length41 ft
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Rear Axle - Centerline to Bumper10.5 ft
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Wheel Base14.9 ft
POWERFUL EFFICIENCY
LONG TERM VALUE AND DURABILITY
PROVEN RELIABILITY
PERFORMANCE AND PRODUCTIVITY
OPERATOR COMFORT AND CONTROL
PRODUCTIVITY WITH TECHNOLOGY
SAVE ON SERVICE AND MAINTENANCE
TOP-TIER SERVICE AND SUPPORT
SAFETY FIRST
REDUCE ENVIRONMENT IMPACT
OPTIONS TO MEET YOUR NEEDS
Standard Equipment:
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- Note
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- Standard and optional equipment may vary. Consult your Cat dealer for details.
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- Electrical
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- Alarm, back-up
- Alternator, single 150 amp
- Batteries, dry
- Converter, 10/15 amp, 24V to 12V
- Lighting system (halogen, work lights, access and service platform lighting)
- Starting and charging system, 24V
- Starter emergency start receptacle
- Starter lockout in bumper
- Transmission lockout in bumper
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- Operator Environment
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- Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
- Air conditioner
- Cat Detect Vision, rear vision camera system
- Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
- Controls, lift and tilt function
- Heater, defroster
- Horn, electric
- Instrumentation, gauges: - Coolant temperature - Engine hour meter - Hydraulic oil temperature - Power train oil temperature
- Light, cab, dome
- Lunchbox, beverage holders
- Mirrors, rearview (externally mounted)
- Rimpull Control System
- Seat, Cat Comfort (cloth), air suspension, six-way adjustable
- Seat belt, retractable, 76 mm (3 in) wide
- STIC Control System
- UV glass
- Transmission gear indicator
- Vital Information Management System (VIMS) with Graphical Information Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
- Wet-Arm wipers/washers (front and rear): - Intermittent front and rear wipers
- Lights, directional
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- Power Train
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- Swing out radiator system with 6 fpi radiator cores
- Auto-reversing fan with adjustable controls and manual cycle
- Hinged, perforated side doors
- Brakes, oil-cooled, multi-disc, service/secondary
- Case drain screens
- Crankcase guard
- Electro hydraulic parking brake
- Engine, C18 MEUI diesel, turbocharged/aftercooled
- Ground level engine shutoff
- Turbine precleaner, engine air intake
- Radiator, Next Generation Modular (NGMR)
- Starting aid, ether, automatic
- Throttle lock, electronic
- Torque converter, Impeller Clutch (ICTC) with Lock up clutch (LUC), Rimpull Control System
- Transmission, planetary powershift, 4F/3R electronic control
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- Other
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- Automatic bucket lift kickout/positioner
- Base machine price includes a rim allowance
- Hydraulically driven demand fan
- Couplings, Cat O-ring face seals
- Doors, service access (locking)
- Ecology drains for engine, radiator, hydraulic tank
- Fuel tank, 731 L (188 gal)
- Hitch, drawbar with pin
- Hoses, Cat XT™
- Hydraulic, steering and brake filtration/screening system
- Cat Clean Emission Module
- Oil sampling valves
- Premixed 50% concentration of extended life coolant with freeze protection to -34° C (-29° F)
- Rear access to cab and service platform
- Steering, load sensing
- Toe kicks
- Vandalism protection caplocks
Optional Equipment:
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- Note
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- Standard and optional equipment may vary. Consult your Cat dealer for details.
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- Power Train
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- -50° C (-58° F) antifreeze
- Engine oil change system, high speed, Wiggins
- Engine block heater 120V or 240V
- High ambient cooling - software
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- Operator Environment
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- Cab precleaner
- AM/FM/CD/MP3 radio
- Satellite Sirius radio with bluetooth
- LED warning strobe
- CB radio ready
- Window pull down visor
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- Miscellaneous Attachments
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- Front and rear roading fenders
- Fast fill fuel system (Shaw-Aero)