- Category: Wheel Loaders ➔
- Manufacturer: Caterpillar ➔
- Model: 988H ➔
The Caterpillar 988H is a large wheel loader designed for high-production material handling in mining, quarry, aggregate, and heavy construction applications. Powered by a Caterpillar diesel engine and equipped with a robust powertrain, the 988H is built for loading trucks, stockpiling material, and moving bulk aggregates efficiently. It features a heavy-duty frame, articulated steering, and a large-capacity bucket option for demanding site conditions. The 988H is part of Caterpillar's 988 series of wheel loaders and is commonly used where durability, traction, and cycle performance are important. It remains a recognized model in the used heavy equipment market.
Axles
| Front | Fixed
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| Maximum Single-Wheel Rise and Fall | 22 in (57 cm)
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| Rear | Oscillating 13 degrees
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Bucket
| Breakout Force | 85,068 lbs (38,586 kg)
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| Bucket Capacities | 10 cu yd (8 cu m)
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| Bucket Capacity - heaped | 8 cu yd (6 cu m)
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| Bucket Capacity - struck | 7 cu yd (5 cu m)
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| Bucket Width | 13 ft (4 m)
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| Maximum Bucket Capacity | 10 cu yd (8 cu m)
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Cab
| Cab - ROPS/FOPS | Meets SAE and ISO standards
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| Sound Performance | Meets ANSI SAE and ISO standards
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Dimensions
| Height - Top of Cab | 14 ft (4 m)
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| Height - Top of Exhaust | 14 ft (4 m)
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| Hinge Pin - Max Height | 19 ft (6 m)
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| Length with Bucket on Ground | 40 ft (12 m)
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| Reach at Max Lift and Dump | 7 ft (2 m)
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| Wheel Base Length | 15 ft (5 m)
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| Wheelbase | 15 ft (5 m)
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| Width Over Tires | 12 ft (4 m)
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Engine
| Bore | 6 in (14 cm)
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| Displacement | 1,105 cu in (18,100 cu cm)
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| Engine Model | Cat C18 ACERT
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| Flywheel Power | 501 hp (374 kw)
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| Gross Power | 555 hp (414 kw)
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| Gross Power - ISO 3046-2 | 520 hp (388 kw)
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| Make | Cat
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| Net Power - EEC 80/1269 | 501 hp (374 kw)
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| Net Power - ISO 9249 | 501 hp (374 kw)
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| Number of Cylinders | 6
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| Power Measured @ | 1800 rpm
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| Stroke | 7 in (18 cm)
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Hydraulic Cycle Times
| Dump | 2.4 seconds
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| Raise | 9.4 seconds
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| Total Hydraulic Cycle Time | 15.6 seconds
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Hydraulic System
| Dump Time | 2.4 seconds
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| Lower Time | 3.8 seconds
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| Pump Flow Capacity | 130 gpm (492 lpm)
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| Raise Time | 9.4 seconds
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| Relief Valve Setting | 4500 psi
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Loader Hydraulic System
| Relief Valve Setting | 5075 psi
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| Relief Valve Setting - Low Idle | 348.1 psi
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Operating Specifications
| Alternator Supplied Amperage | 100 amps
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| Cooling System Fluid Capacity | 27 gal (103 l)
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| Engine Oil Fluid Capacity | 16 gal (60 l)
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| Front Axle/Diff Fluid Capacity | 49 gal (185 l)
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| Fuel Capacity | 188 gal (712 l)
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| Hinge Pin Height, Unloaded | 16 ft (5 m)
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| Hydraulic System Fluid Capacity | 71 gal (267 l)
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| Operating Voltage | 24 volts
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| Rated Payload | 27,558 lbs (12,500 kg)
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| Rear Axle Oscillation | 26 degrees
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| Rear Axle/Diff Fluid Capacity | 49 gal (185 l)
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| Static Tipping Weight | 76,776 lbs (34,825 kg)
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| Tire Size | 35/65
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| Transmission Fluid Capacity | 19 gal (70 l)
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| Turning Radius | 28 ft (9 m)
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Service Refill Capacities
| Cooling System | 27 gal (103 l)
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| Crankcase | 16 gal (60 l)
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| Differential - Final Drives - Front | 49 gal (185 l)
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| Differential - Final Drives - Rear | 49 gal (185 l)
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| Fuel Tank | 188 gal (712 l)
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| Hydraulic System - Tank Only | 71 gal (267 l)
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| Hydraulic System Factory Fill | 124 gal (470 l)
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| Transmission | 19 gal (70 l)
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Steering System
| Steering | Meets SAE and ISO standards
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Transmission
| Converter Drive - Forward 1 | 4 mph (7 kph)
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| Converter Drive - Forward 2 | 7 mph (12 kph)
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| Converter Drive - Forward 3 | 13 mph (21 kph)
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| Converter Drive - Reverse 1 | 5 mph (8 kph)
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| Converter Drive - Reverse 2 | 8 mph (14 kph)
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| Converter Drive - Reverse 3 | 15 mph (24 kph)
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| Direct Drive - Forward 2 | 8 mph (12 kph)
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| Direct Drive - Forward 3 | 14 mph (22 kph)
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| Direct Drive - Forward 4 | 24 mph (39 kph)
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| Direct Drive - Reverse 1 | 5 mph (8 kph)
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| Direct Drive - Reverse 2 | 9 mph (14 kph)
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| Direct Drive - Reverse 3 | 16 mph (25 kph)
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| Max Speed - Forward | 24 mph (39 kph)
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| Max Speed - Reverse | 16 mph (25 kph)
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| Number of Forward Gears | 4
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| Number of Reverse Gears | 3
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Weights
| Operating Weight | 128,328 lbs (58,209 kg)
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