Caterpillar 988H Wheel Loader Specs

Category: Wheel Loaders ➔
Manufacturer: Caterpillar ➔
Model: 988H ➔

The Caterpillar 988H is a large wheel loader designed for high-production material handling in mining, quarry, and heavy construction applications. Powered by a Caterpillar diesel engine and equipped with a robust powertrain, the 988H is built for loading trucks, stockpiling aggregate, and moving bulk material in demanding environments. It features a heavy-duty frame, articulated steering, and a large-capacity bucket configuration. The machine is commonly used in earthmoving, quarry operations, and industrial material handling. As part of Caterpillar's wheel loader lineup, the 988H is recognized for its size, durability, and suitability for continuous loading cycles.

Axles

Caterpillar 988H Wheel Loader Axles specifications
Front	Fixed
Maximum Single-Wheel Rise And Fall	22.40 in (56.90 cm)
Rear	Oscillating 13 degrees

Brakes

Caterpillar 988H Wheel Loader Brakes specifications
Brakes	Meet SAE ISO 3450:1996

Bucket

Caterpillar 988H Wheel Loader Bucket specifications
Breakout Force	85,068.00 lbs (38,586.24 kg)
Bucket Capacity - Heaped	8.33 cu yd
Bucket Capacity - Struck	6.9 cu yd
Bucket Width	12.50 ft (3.81 m)
Dump Clearance At Max Raise	11.33 ft (3.45 m)

Buckets

Caterpillar 988H Wheel Loader Buckets specifications
Bucket Capacities	6.4 m3-7.7 m3 8.3 yd3-10 yd3
Maximum Bucket Capacity	10 cu yd

Cab

Caterpillar 988H Wheel Loader Cab specifications
Cab - Rops/Fops	Meets SAE and ISO standards
Sound Performance	Meets ANSI, SAE and ISO standards

Dimensions

Caterpillar 988H Wheel Loader Dimensions specifications
Ground Clearance	1.67 ft (0.51 m)
Height	13.42 ft (4.09 m)
Height To Top Of Cab	13.42 ft (4.09 m)
Hinge Pin - Max Height	19.18 ft (5.85 m)
Length	40.08 ft (12.22 m)
Length With Bucket On Ground	40.08 ft (12.22 m)
Reach At Max Lift And Dump	6.66 ft (2.03 m)
Weight	110,549.00 lbs (50,144.25 kg)
Wheelbase	14.83 ft (4.52 m)
Width	11.67 ft (3.56 m)
Width Over Tires	11.75 ft (3.58 m)

Dimensions*

Caterpillar 988H Wheel Loader Dimensions* specifications
B-Pin Height	19.20 ft (5.85 m)
C-Pin Height	3.31 ft (1.01 m)
Centerline Of Front Axle To Hitch	7.46 ft (2.27 m)
Centerline Of Rear Axle To Edge Of Rear Bumper	10.28 ft (3.13 m)
Clearance At Maximum Lift And Dump	12.73 ft (3.88 m)
Dig Depth	0.74 ft (0.23 m)
Ground Clearance	1.80 ft (0.55 m)
Height - Spillguard	17.82 ft (5.43 m)
Height - Top Of Air Cleaner	11.10 ft (3.38 m)
Height - Top Of Cab	13.54 ft (4.13 m)
Height - Top Of Exhaust Stack	13.49 ft (4.11 m)
Height - Top Of Hood	10.35 ft (3.15 m)
Rack Back Angle - Carry	56.5 degrees
Rack Back Angle - Ground	47.8 degrees
Rack Back Angle - Maximum Lift	45 degrees
Wheel Base Length	14.93 ft (4.55 m)

Engine

Caterpillar 988H Wheel Loader Engine specifications
Bore	5.70 in (14.48 cm)
Displacement	1,104.50 cu in (18,099.55 cu cm)
Engine Make	2236
Engine Model	C18 ACERT
Flywheel Power	501.00 hp (373.60 kw)
Gross Power	555.00 hp (413.87 kw)
Gross Power - Iso 3046-2	520.00 hp (387.77 kw)
Net Power	501.00 hp (373.60 kw)
Net Power - Eec 80/1269	501.00 hp (373.60 kw)
Net Power - Iso 14396	540.00 hp (402.68 kw)
Net Power - Iso 9249	501.00 hp (373.60 kw)
Number Of Cylinders	6
Power Measured @	1800 rpm
Stroke	7.20 in (18.29 cm)

Hydraulic Cycle Times

Caterpillar 988H Wheel Loader Hydraulic Cycle Times specifications
Dump	2.4 s
Lower Float Down - Empty	3.8 s
Raise	9.4 s
Total Hydraulic Cycle Time	15.6 s

Hydraulic System

Caterpillar 988H Wheel Loader Hydraulic System specifications
Dump Time	2.4 sec
Lower Time	3.8 sec
Pump Flow Capacity	130.00 gpm (492.05 lpm)
Raise Time	9.4 sec
Relief Valve Setting	4500 psi

Loader Hydraulic System

Caterpillar 988H Wheel Loader Loader Hydraulic System specifications
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
Loader Hydraulic System Main Hydraulic System Output At 2,010 Rpm And 6900 Kpa (1,000 Psi)	130.00 gpm (492.05 lpm)
Main Hydraulic System Output At 2010 Rpm And 6900 Kpa (1000 Psi)	130.00 gpm (492.05 lpm)
Pilot System - Gear-Type Pump Output At 2,010 Rpm And 2500 Kpa (363 Psi)	20.10 gpm (76.08 lpm)
Relief Valve Setting	5075 psi
Relief Valve Setting - Low Idle	348.1 psi

Operating Specifications

Caterpillar 988H Wheel Loader Operating Specifications specifications
Attachment Type	Cat quick coupler and forks
Hinge Pin Height, Unloaded	16.20 ft (4.94 m)
Overall Length	39.90 ft (12.16 m)
Rated Payload	27,557.80 lbs (12,500.02 kg)
Tipping Load - Articulated 37 Degrees	73,826.00 lbs (33,486.95 kg)
Tipping Load - Straight	84,038.00 lbs (38,119.04 kg)
Turning Radius - Sae Carry	31.00 ft (9.45 m)

Operational

Caterpillar 988H Wheel Loader Operational specifications
Alternator Supplied Amperage	100 amps
Cooling System Fluid Capacity	27.20 gal (102.95 l)
Engine Oil Fluid Capacity	15.90 gal (60.18 l)
Front Axle/Diff Fluid Capacity	49.00 gal (185.47 l)
Fuel Capacity	188.00 gal (711.58 l)
Hydraulic System Fluid Capacity	70.50 gal (266.84 l)
Operating Voltage	24 V
Operating Weight	109,249.00 lbs (49,554.57 kg)
Rear Axle Oscillation	26 degrees
Rear Axle/Diff Fluid Capacity	49.00 gal (185.47 l)
Static Tipping Weight	76,776.00 lbs (34,825.05 kg)
Tire Size	35/65
Transmission Fluid Capacity	18.50 gal (70.02 l)
Turning Radius	28.00 ft (8.53 m)

Service Refill Capacities

Caterpillar 988H Wheel Loader Service Refill Capacities specifications
Cooling System	27.20 gal (102.95 l)
Crankcase	15.90 gal (60.18 l)
Differential - Final Drives - Front	49.00 gal (185.47 l)
Differential - Final Drives - Rear	49.00 gal (185.47 l)
Fuel Tank	188.00 gal (711.58 l)
Hydraulic System - Tank Only	70.50 gal (266.84 l)
Hydraulic System Factory Fill	124.20 gal (470.10 l)
Transmission	18.50 gal (70.02 l)

Steering

Caterpillar 988H Wheel Loader Steering specifications
Steering	Meets SAE and ISO standards
Total Steering Angle	86 degrees

Transmission

Caterpillar 988H Wheel Loader Transmission specifications
Converter Drive - Forward 1	4.20 mph (6.76 kph)
Converter Drive - Forward 2	7.30 mph (11.75 kph)
Converter Drive - Forward 3	12.90 mph (20.76 kph)
Converter Drive - Forward 4	22.30 mph (35.89 kph)
Converter Drive - Reverse 1	4.70 mph (7.56 kph)
Converter Drive - Reverse 2	8.40 mph (13.52 kph)
Converter Drive - Reverse 3	14.70 mph (23.66 kph)
Direct Drive - Forward 1	Lock-up disables
Direct Drive - Forward 2	7.70 mph (12.39 kph)
Direct Drive - Forward 3	13.60 mph (21.89 kph)
Direct Drive - Forward 4	24.00 mph (38.62 kph)
Direct Drive - Reverse 1	4.90 mph (7.89 kph)
Direct Drive - Reverse 2	8.80 mph (14.16 kph)
Direct Drive - Reverse 3	15.60 mph (25.11 kph)
Max Speed - Forward	24.00 mph (38.62 kph)
Max Speed - Reverse	15.60 mph (25.11 kph)
Number Of Forward Gears	4
Number Of Reverse Gears	3