Specification sheet Wheel Loader Ref caterpillar-988h-steel-mill-arrangement-wheel-loader
Caterpillar 988H Steel Mill Arrangement
The Caterpillar 988H Steel Mill Arrangement is a wheel loader with an operating weight of 128,328 lb (58,208.61 kg), and a 501 hp engine.
✓ QA-verified — every figure checked for unit consistency, physical possibility, and class plausibility; failures withheld → Operating weight
128,328lb
58,208.61kg
Engine power
501hp
373.6kW
Net Power ◆Where it sits in its classpercentile · large wheel loaders
Among 39 large wheel loaders (90,000–150,000 lb), the Caterpillar 988H Steel Mill Arrangement sits at the heavy end of its class:
- Operating weight 128,330 lb heavier than 87% (n=39)
- Engine power 501 hp more powerful than 76% (n=37)
01 Engine Specification
| Net Power | 501hp | 373.6kw |
|---|---|---|
| Gross Power | 555hp | 413.9kw |
| Displacement | 1104.5cu in | 18.1L |
| Bore | 5.7in | 144.8mm |
| Stroke | 7.2in | 182.9mm |
| Net Power - Iso 9249 | 501hp | 373.6kw |
| Engine Model | Cat C18 ACERT | |
| Net Power - Iso 14396 | 532hp | 396.8kw |
| Gross Power - Iso 3046-2 | 520hp | 387.8kw |
| Net Power - Eec 80/1269 | 501hp | 373.6kw |
02 Operational Specification
| Operating Weight | 128328lb | 58208.7kg |
|---|
03 Transmission Specification
| Direct Drive - Forward 3 | 13.6mph | 21.9km/h |
|---|---|---|
| Direct Drive - Reverse 3 | 15.6mph | 25.2km/h |
| Direct Drive - Forward 4 | 24mph | 38.7km/h |
| Direct Drive - Forward 2 | 7.7mph | 12.4km/h |
| Direct Drive - Reverse 2 | 8.8mph | 14.2km/h |
04 Steering Specification
| Steering | Meets SAE and ISO standards | |
|---|---|---|
| Total Steering Angle | 74degrees |
05 Transmission Specification
| Converter Drive - Forward 3 | 12.9mph | 20.8km/h |
|---|---|---|
| Converter Drive - Reverse 3 | 14.7mph | 23.7km/h |
| Direct Drive - Forward 1 | Lock-up disabled | |
| Converter Drive - Forward 4 | 22.3mph | 35.9km/h |
| Converter Drive - Forward 1 | 4.2mph | 6.8km/h |
| Converter Drive - Forward 2 | 7.3mph | 11.8km/h |
| Direct Drive - Reverse 1 | 4.9mph | 7.9km/h |
| Converter Drive - Reverse 1 | 4.7mph | 7.6km/h |
| Converter Drive - Reverse 2 | 8.4mph | 13.6km/h |
06 Weights Specification
| Operating Weight | 128328lb | 58208.7kg |
|---|
07 Buckets Specification
| Bucket Capacities | 6.4-7.7 m3 (8.3-10 yd3) |
|---|
08 Axles Specification
| Front | Fixed | |
|---|---|---|
| Rear | Oscillating 13 degrees | |
| Maximum Single-Wheel Rise And Fall | 22.4in | 569mm |
09 Brakes Specification
| Brakes | Meet SAE/ISO 3450:1996 |
|---|
10 Operating Specifications Specification
| Tipping Load - Straight | 74651lb | 33861.2kg |
|---|---|---|
| Attachment Type | 9 yd3 Rock Bucket | |
| Hinge Pin Height, Unloaded | 16.2ft in | 5m |
| Overall Length | 40.8ft in | 12.5m |
| Turning Radius - Sae Carry | 28.8ft in | 8.8m |
| Tipping Load - Articulated 43 Degrees | 66602lb | 30210.2kg |
| Breakout Force - Sae Rated (3.88 M Linkage) | 45977lb | 20854.9kg |
| Breakout Force - Sae Rated (4.25 M Linkage) | 116780lb | 52970.6kg |
11 Service Refill Capacities Specification
| Cooling System | 27.2gal | 103L |
|---|---|---|
| Fuel Tank | 188gal | 711.7L |
| Crankcase | 15.9gal | 60.2L |
| Transmission | 18.5gal | 70.1L |
| Differential - Final Drives - Front | 49gal | 185.5L |
| Differential - Final Drives - Rear | 49gal | 185.5L |
| Hydraulic System Factory Fill | 124.2gal | 470.2L |
| Hydraulic System - Tank Only | 70.5gal | 266.9L |
12 Cab Specification
| Cab - Rops/Fops | Meets SAE and ISO standards | |
|---|---|---|
| Sound Performance | Meets ANSI, SAE and ISO standards |
13 Loader Hydraulic System Specification
| 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 |
Method. Figures are manufacturer reference specifications, not measurements. Every value is checked for unit consistency, physically possible magnitude, and plausibility for its equipment class before publication; figures that fail any check are withheld rather than shown, and figures reconstructed from related data are marked above. Imperial and metric figures are reproduced as published, except where a note states otherwise.