Caterpillar 988H Wheel Loader

Axles

Front Fixed
Maximum Single-Wheel Rise and Fall 22 in (57 cm)
Rear Oscillating 13 degrees

Bucket

Breakout Force 85,068 lbs (38,586 kg)
Bucket Capacities 10 cu yd (8 cu m)
Bucket Capacity – heaped 8 cu yd (6 cu m)
Bucket Capacity – struck 7 cu yd (5 cu m)
Bucket Width 13 ft (4 m)
Maximum Bucket Capacity 10 cu yd (8 cu m)

Cab

Cab – ROPS/FOPS Meets SAE and ISO standards
Sound Performance Meets ANSI, SAE and ISO standards

Dimensions

Height – Top of Cab 14 ft (4 m)
Height – Top of Exhaust 14 ft (4 m)
Hinge Pin – Max Height 19 ft (6 m)
Length with Bucket on Ground 40 ft (12 m)
Reach at Max Lift and Dump 7 ft (2 m)
Wheel Base Length 15 ft (5 m)
Wheelbase 15 ft (5 m)
Width Over Tires 12 ft (4 m)

Engine

Bore 6 in (14 cm)
Displacement 1,105 cu in (18,100 cu cm)
Engine Model Cat C18 ACERT
Flywheel Power 501 hp (374 kw)
Gross Power 555 hp (414 kw)
Gross Power – ISO 3046-2 520 hp (388 kw)
Make Cat
Net Power – EEC 80/1269 501 hp (374 kw)
Net Power – ISO 9249 501 hp (374 kw)
Number of Cylinders 6
Power Measured @ 1800 rpm
Stroke 7 in (18 cm)

Hydraulic Cycle Times

Dump 2.4 seconds
Raise 9.4 seconds
Total Hydraulic Cycle Time 15.6 seconds

Hydraulic System

Dump Time 2.4 seconds
Lower Time 3.8 seconds
Pump Flow Capacity 130 gpm (492 lpm)
Raise Time 9.4 seconds
Relief Valve Setting 4500 psi

Loader Hydraulic System

Relief Valve Setting 5075 psi
Relief Valve Setting – Low Idle 348.1 psi

Operating Specifications

Alternator Supplied Amperage 100 amps
Cooling System Fluid Capacity 27 gal (103 l)
Engine Oil Fluid Capacity 16 gal (60 l)
Front Axle/Diff Fluid Capacity 49 gal (185 l)
Fuel Capacity 188 gal (712 l)
Hinge Pin Height, Unloaded 16 ft (5 m)
Hydraulic System Fluid Capacity 71 gal (267 l)
Operating Voltage 24 volts
Rated Payload 27,558 lbs (12,500 kg)
Rear Axle Oscillation 26 degrees
Rear Axle/Diff Fluid Capacity 49 gal (185 l)
Static Tipping Weight 76,776 lbs (34,825 kg)
Tire Size 35/65
Transmission Fluid Capacity 19 gal (70 l)
Turning Radius 28 ft (9 m)

Service Refill Capacities

Cooling System 27 gal (103 l)
Crankcase 16 gal (60 l)
Differential – Final Drives – Front 49 gal (185 l)
Differential – Final Drives – Rear 49 gal (185 l)
Fuel Tank 188 gal (712 l)
Hydraulic System – Tank Only 71 gal (267 l)
Hydraulic System Factory Fill 124 gal (470 l)
Transmission 19 gal (70 l)

Steering System

Steering Meets SAE and ISO standards

Transmission

Converter Drive – Forward 1 4 mph (7 kph)
Converter Drive – Forward 2 7 mph (12 kph)
Converter Drive – Forward 3 13 mph (21 kph)
Converter Drive – Reverse 1 5 mph (8 kph)
Converter Drive – Reverse 2 8 mph (14 kph)
Converter Drive – Reverse 3 15 mph (24 kph)
Direct Drive – Forward 2 8 mph (12 kph)
Direct Drive – Forward 3 14 mph (22 kph)
Direct Drive – Forward 4 24 mph (39 kph)
Direct Drive – Reverse 1 5 mph (8 kph)
Direct Drive – Reverse 2 9 mph (14 kph)
Direct Drive – Reverse 3 16 mph (25 kph)
Max Speed – Forward 24 mph (39 kph)
Max Speed – Reverse 16 mph (25 kph)
Number of Forward Gears 4
Number of Reverse Gears 3

Weights

Operating Weight 128,328 lbs (58,209 kg)
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