Piscataway Campus
732-885-5555
Bensalem Campus
877-726-7663

Large Wheel Loaders

988K Millyard Arrangement

  • Net Power
    541.0 hp
  • Net Power
    541 HP
  • Engine Model
    Cat® C18 ACERT™
  • Engine Model
    Cat® C18 ™
Engine
Net Power
541.0 hp
Net Power
541 HP
Engine Model
Cat® C18 ACERT™
Engine Model
Cat® C18 ™
Net Power
541.0 hp
Net Power
541 HP
Bore
5.7 in
Bore
5.7 in
Stroke
7.2 in
Stroke
7.2 in
Displacement
1105.0 in3
Displacement
1105 in³
Torque Rise
58.0 %
Torque Rise
58 %
Rated Speed
1,700 rpm
Rated Speed
1700/min
Emissions
U.S. EPA Tier 4 Final/EU Stage IV Technology or Tier 2 Equivalent
Gross
580 HP
Peak Power Speed
1500/min
Peak Power Speed
580 HP
Peak Power Speed
588 HP
Peak Power Speed
541 HP
Peak Torque
2104 lb/ft
Emissions
U.S. EPA Tier 4 Final/EU Stage V Technology or Tier 2 Equivalent
Forks
Fork End Area
69.0 ft2
Fork End Area
69 ft²
Operating Specifications
Operating Weight
139920.0 lb
Operating Weight
139920 lb
Tipping Load
68005.0 lb
Tipping Load
78115.0 lb
Tipping Load
68005 lb
Tipping Load
78115 lb
Transmission
Transmission Type
Cat planetary power shift
Transmission Type
Cat-Planetenlastschaltgetriebe
Forward 1
4.0 mph
Forward
4 mile/h
Forward 2
7.2 mph
Forward
7.2 mile/h
Forward 3
12.7 mph
Forward
12.7 mile/h
Forward 4
21.6 mph
Forward
21.6 mile/h
Reverse 1
4.7 mph
Reverse
4.7 mile/h
Reverse 2
8.3 mph
Reverse
8.3 mile/h
Reverse 3
14.4 mph
Reverse
14.4 mile/h
Direct Drive
Lock-up disabled
Direct Drive
7.8 mph
Direct Drive
7.8 mile/h
Direct Drive
13.9 mile/h
Direct Drive
24.4 mile/h
Direct Drive
5.0 mph
Direct Drive
5 mile/h
Direct Drive
8.9 mph
Direct Drive
8.9 mile/h
Direct Drive
15.8 mile/h
Hydraulic System - Lift/Tilt
Cylinders
235 mm × 976 mm (9.25 in × 38.4 in)
Cylinders
292 mm × 671 mm (11.5 in × 26.4 in)
Maximum Flow at 1
153.0 gal/min
Pilot System
Variable displacement piston
Lift
Variable displacement piston
Maximum Flow
13.7 gal/min
Relief Valve Setting
580 psi
Cylinders
235 mm × 976 mm (9.25 in × 38.4 in)
Cylinders
292 mm × 671 mm (11.5 in × 26.4 in)
Maximum Flow at 1
153 gal/min
Pilot System
Variable displacement piston
Lift
EH- Positive Flow Control, Flow Sharing
Relief Valve Setting
4641.0 psi
Relief Valve Setting
4641 psi
Service Refill Capacities
Fuel Tank
188.0 gal
Fuel Tank
188 gal (US)
Cooling System
31.7 gal
Cooling System
31.7 gal (US)
Crankcase
15.9 gal
Crankcase
15.9 gal (US)
Transmission
31.7 gal
Transmission
31.7 gal (US)
Differentials and Final Drives
49.1 gal
Differential
49.1 gal (US)
Differentials and Final Drives
49.1 gal
Differential
49.1 gal (US)
Hydraulic System
63.4 gal
Hydraulic System
63.4 gal (US)
Diesel Exhaust Fluid Tank
8.7 gal
Hydraulic System Factory Fill
125.5 gal (US)
Diesel Exhaust Fluid Tank
8.7 gal (US)
Dimensions - Millyard Linkage
Dump Angle at Maximum Lift
39.4 °
Fork Height at Maximum Lift
15.3 ft
Fork Height with Level Arms
8.1 ft
Fork Top Clamp Opening
12.3 ft
Front Axle Centerline to Fork Tip
15.6 ft
Ground to Bumper Clearance
3.1 ft
Ground to Center of Front Axle
3.2 ft
Ground to Lower Hitch Clearance
1.9 ft
Ground to Top of Exhaust Stacks
13.8 ft
Ground to Top of Hood
10.9 ft
Ground to Top of ROPS
13.8 ft
Hinge Pin Height at Maximum Lift
16.1 ft
Maximum Overall Length
41 ft
Rear Axle
10.5 ft
Wheel Base
14.9 ft
Axles
Front
Fixed
Front
Fixed
Rear
Trunnion
Rear
Trunnion
Oscillation Angle
13°
Oscillation Angle
13°
Brakes
Brakes
SAE J1473 OCT90, ISO 3450:1992
Brakes
SAE J1473 OKT90, ISO 3450:1992
Hydraulic System - Steering
Steering System
Pilot, load sensing
Steering System
Pilot, load sensing
Steering System
Piston, variable displacement
Steering System
Piston, variable displacement
Relief Valve Setting
4351 psi
Maximum Flow
71.3 gal/min
Steering Cycle Time
3.4 Seconds
Steering Cycle Time
5.6 Seconds
Total Steering Angle
74.0 Degrees
Maximum Flow
71.3 gal/min
Steering Cycle Times
3.4 s
Steering Cycle Times
5.6 s
Total Steering Angle
74 °
Sound Performance - Standard
Machine Sound Level
111.0 dB(A)
Operator Sound Level
71.0 dB(A)
Machine Sound Level
111 dB(A)
Operator Sound Level
71 dB(A)
Sound Performance - Suppression
Machine Sound Level
109.0 dB(A)
Operator Sound Level
70.0 dB(A)
Machine Sound Level
109 dB(A)
Operator Sound Level
70 dB(A)
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • ELECTRICAL
    • 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
  • OPERATOR ENVIRONMENT
    • 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
  • POWER TRAIN
    • 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
  • OTHER
    • 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
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • POWER TRAIN
    • -50° C (-58° F) antifreeze
    • Engine oil change system, high speed, Wiggins
    • Engine block heater 120V or 240V
    • High ambient cooling - software
  • OPERATOR ENVIRONMENT
    • Cab precleaner
    • AM/FM/CD/MP3 radio
    • Satellite Sirius radio with bluetooth
    • LED warning strobe
    • CB radio ready
    • Window pull down visor
  • MISCELLANEOUS ATTACHMENTS
    • Front and rear roading fenders
    • Fast fill fuel system (Shaw-Aero)