COMPARE MODELS
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time.
Large Wheel Loaders
988K
ADD MODEL
ADD MODEL
Net Power
541.0 HP
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Engine Model
Cat® C18 ™
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Bore
5.7 in
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Stroke
7.2 in
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Displacement
1105.0 in³
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Torque Rise
58.0 %
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Rated Speed
1700/min
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Peak Torque - 1,200 rpm
2104.0 lb/ft
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Net Power - SAE J1349
541.0 HP
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Peak Power Speed
1500/min
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Peak Power Speed - 1,500 rpm - Gross - ISO 14396
580.0 HP
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Gross - ISO 14396
580.0 HP
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Peak Power Speed - 1,500 rpm - Gross - SAE J1995
588.0 HP
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Emissions
U.S. EPA Tier 4 Final/EU Stage V OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent
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Peak Power Speed - 1,500 rpm - Net Power - SAE J1349
541.0 HP
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Operating Weight
112574.0 lb
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Bucket Capacity Range
4.7-13 m3 (6.2-17 yd3)
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Rated Payload - Quarry Face
12.5 t
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Cat Truck Match - High Lift
773～775
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Rated Payload - Loose Material
16 t
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Cat Truck Match - Standard
770～772
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Transmission Type
Cat-Planetenlastschaltgetriebe
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Forward - 1
4.0 mile/h
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Forward - 2
7.2 mile/h
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Forward - 3
12.7 mile/h
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Forward - 4
21.6 mile/h
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Reverse - 1
4.7 mile/h
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Reverse - 2
8.3 mile/h
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Reverse - 3
14.4 mile/h
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Direct Drive - Reverse 2
8.9 mile/h
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Direct Drive - Reverse 3
15.8 mile/h
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Direct Drive - Forward 2
7.8 mile/h
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Direct Drive - Reverse 1
5.0 mile/h
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Direct Drive - Forward 1
Lock-up disabled
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Direct Drive - Forward 3
13.9 mile/h
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Direct Drive - Forward 4
24.4 mile/h
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Maximum Flow
71.3 gal/min
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Maximum Flow at 1,400-1,860 rpm
153.0 gal/min
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Lift/Tilt System
Variable displacement piston
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Cylinders, Double Acting - Tilt, Bore and Stroke
269 mm × 685 mm (8.7 in × 27 in)
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Relief Valve Setting - Main
551 psi
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Relief Valve Setting - Lift/Tilt
4757 psi
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Pilot System
Variable displacement piston
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Cylinders, Double Acting - Lift, Bore and Stroke
210 mm × 1050 mm (8.7 in × 41.3 in)
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Lift/Tilt System - Circuit
EH- Positive Flow Control, Flow Sharing
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Fuel Tank
188.0 gal (US)
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Cooling System
31.7 gal (US)
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Crankcase
15.9 gal (US)
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Transmission
31.7 gal (US)
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Hydraulic System - Tank Only
63.4 gal (US)
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Differential - Final Drives - Rear
49.1 gal (US)
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Hydraulic System Factory Fill
125.5 gal (US)
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Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage IV Only)
8.7 gal (US)
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Differential - Final Drives - Front
49.1 gal (US)
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Coolant (Validated by Test Cell Fill Quantities)
33 gal (US)
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Transmission - Validated by Test Cell Fill Quantities
29 gal (US)
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Bucket Capacities
4.7-13 m3 (6.2-17 yd3)
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Front
Fixed
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Rear
Trunnion
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Oscillation Angle
13 °
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Brakes
SAE J1473 OKT90, ISO 3450:1992
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Steering System - Pump
Piston, variable displacement
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Total Steering Angle
86 °
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Relief Valve Setting - Steering
4351.0 psi
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Steering Cycle Times - High Idle
3.4 s
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Steering System - Circuit
Pilot, load sensing
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Steering Cycle Times - Low Idle
5.6 s
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Total Hydraulic Cycle Time - Empty Bucket
18.2 s
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Lower Float Down
3.5 s
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Rack Back
4.5 s
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Raise
8.0 s
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Dump
2.2 s
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Operator Sound Level (ISO 6396)
72 dB(A)
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Machine Sound Level (ISO 6395)
110 dB(A)
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Operator Sound Level ( ISO 6396)
73 dB(A)
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