CAT 988H Steel Mill Arrangement Wheel Loader

Engine Details

Net Power 501 hp (373.6 kw)
Gross Power 555 hp (413.9 kw)
Displacement 1104.5 cu in (18.1 L)
Bore 5.7 in (144.8 mm)
Stroke 7.2 in (182.9 mm)
Net Power – Iso 9249 501 hp (373.6 kw)
Engine Model Cat C18 ACERT
Net Power – Iso 14396 532 hp (396.8 kw)
Gross Power – Iso 3046-2 520 hp (387.8 kw)
Net Power – Eec 80/1269 501 hp (373.6 kw)

Operational Specs

Operating Weight 128328 lb (58208.7 kg)

Transmission

Direct Drive – Forward 3 13.6 mph (21.9 km/h)
Direct Drive – Reverse 3 15.6 mph (25.2 km/h)
Direct Drive – Forward 4 24 mph (38.7 km/h)
Direct Drive – Forward 2 7.7 mph (12.4 km/h)
Direct Drive – Reverse 2 8.8 mph (14.2 km/h)

Steering

Steering Meets SAE and ISO standards
Total Steering Angle 74 degrees

Transmission

Converter Drive – Forward 3 12.9 mph (20.8 km/h)
Converter Drive – Reverse 3 14.7 mph (23.7 km/h)
Direct Drive – Forward 1 Lock-up disabled
Converter Drive – Forward 4 22.3 mph (35.9 km/h)
Converter Drive – Forward 1 4.2 mph (6.8 km/h)
Converter Drive – Forward 2 7.3 mph (11.8 km/h)
Direct Drive – Reverse 1 4.9 mph (7.9 km/h)
Converter Drive – Reverse 1 4.7 mph (7.6 km/h)
Converter Drive – Reverse 2 8.4 mph (13.6 km/h)

Weights

Operating Weight 128328 lb (58208.7 kg)

Buckets

Bucket Capacities 6.4-7.7 m3 (8.3-10 yd3)

Axles

Front Fixed
Rear Oscillating 13 degrees
Maximum Single-Wheel Rise And Fall 22.4 in (569 mm)

Brakes

Brakes Meet SAE/ISO 3450:1996

Operating Specifications

Tipping Load – Straight 74651 lb (33861.2 kg)
Attachment Type 9 yd3 Rock Bucket
Hinge Pin Height, Unloaded 16.2 ft in (5 m)
Overall Length 40.8 ft in (12.5 m)
Turning Radius – Sae Carry 28.8 ft in (8.8 m)
Tipping Load – Articulated 43 Degrees 66602 lb (30210.2 kg)
Breakout Force – Sae Rated (3.88 M Linkage) 45977 lb (20854.9 kg)
Breakout Force – Sae Rated (4.25 M Linkage) 116780 lb (52970.6 kg)

Service Refill Capacities

Cooling System 27.2 gal (103 L)
Fuel Tank Capacity 188 gal (711.7 L)
Crankcase 15.9 gal (60.2 L)
Transmission 18.5 gal (70.1 L)
Differential – Final Drives – Front 49 gal (185.5 L)
Differential – Final Drives – Rear 49 gal (185.5 L)
Hydraulic System Factory Fill 124.2 gal (470.2 L)
Hydraulic System – Tank Only 70.5 gal (266.9 L)

Cab

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

Loader Hydraulic System

Relief Valve Setting 5075 psi
Cylinders, Double Acting – Lift, Bore And Stroke 220 911 mm (8.7 35.9 in)
Cylinders, Double Acting – Tilt, Bore And Stroke 220 1770 mm (8.7 69.7 in)
Relief Valve Setting – Low Idle 348.1 psi
Main Hydraulic System Output At 2010 Rpm And 6900 Kpa (1000 Psi) 130 gal/min
Pilot System – Gear-Type Pump Output At 2,010 Rpm And 2500 Kpa (363 Psi) 20.1 gal/min
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