- Dump Clearance At Max Raise: 11.33 ft / 3466 mm
- Breakout Force: 85068 lb / 378.4 kN
- Bucket Width: 12.5 ft / 3810 mm
- Bucket Capacity - Struck: 6.9 yd3 / 5.3 m3
Published dimensions and weight
Caterpillar 988H
The Caterpillar 988H is a wheel loader of about 49.5 t; its C18 ACERT engine is rated at 501 hp.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight109249 lb49546 kg
03Selected published values115
Wheel loaders are commonly used to load, carry and stockpile loose material on prepared surfaces. Published rows for Caterpillar 988H include published bucket capacity of 8.33 yd3 / 6.4 m3, published breakout force of 85068 lb / 378.4 kN, published operating weight of 109249 lb / 49546 kg. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Dump Clearance At Max Raise” field (11.33 ft / 3466 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Breakout Force” field (85068 lb / 378.4 kN) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Bucket Width” field (12.5 ft / 3810 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Bucket
Dump Clearance At Max Raise11.33 ft3466 mm
Breakout Force85068 lb378.4 kN
Bucket Width12.5 ft3810 mm
Bucket Capacity - Struck6.9 yd35.3 m3
Bucket Capacity - Heaped8.33 yd36.4 m3
Dimensions
Ground Clearance1.67 ft549 mm
Length With Bucket On Ground40.08 ft12215 mm
Width Over Tires11.75 ft3579 mm
Height To Top Of Cab13.42 ft4128 mm
Wheelbase14.83 ft4550 mm
Hinge Pin - Max Height19.18 ft5853 mm
Reach At Max Lift And Dump6.66 ft2028 mm
Dimensions*
Ground Clearance1.8 ft0.55 m
Rack Back Angle - Maximum Lift45 degrees45 degrees
Wheel Base Length14.93 ft4.56 m
Height - Top Of Air Cleaner11.1 ft3.39 m
C-Pin Height3.31 ft1.01 m
Centerline Of Front Axle To Hitch7.46 ft2.28 m
Centerline Of Rear Axle To Edge Of Rear Bumper10.28 ft3.14 m
Clearance At Maximum Lift And Dump12.73 ft3.89 m
Dig Depth0.74 ft0.23 m
Height - Spillguard17.82 ft5.44 m
B-Pin Height19.2 ft5.86 m
Height - Top Of Cab13.54 ft4.13 m
Height - Top Of Exhaust Stack13.49 ft4.12 m
Height - Top Of Hood10.35 ft3.16 m
Rack Back Angle - Carry56.5 degrees56.5 degrees
Rack Back Angle - Ground47.8 degrees47.8 degrees
Engine
Number Of Cylinders66
Engine Make22362236
Engine ModelC18 ACERTC18 ACERT
Net Power501 hp373.6 kw
Gross Power555 hp413.9 kw
Power Measured @1800 rpm1800 rpm
Displacement1104.5 cu in18.1 L
Bore5.7 in144.8 mm
Stroke7.2 in182.9 mm
Net Power - Iso 9249501 hp373.6 kw
Flywheel Power501 hp373.6 kw
Net Power - Iso 14396540 hp402.7 kw
Gross Power - Iso 3046-2520 hp387.8 kw
Net Power - Eec 80/1269501 hp373.6 kw
Operational
Operating Weight109249 lb49546 kg
Fuel Capacity188 gal712 L
Hydraulic System Fluid Capacity70.5 gal267 L
Engine Oil Fluid Capacity15.9 gal60 L
Cooling System Fluid Capacity27.2 gal103 L
Transmission Fluid Capacity18.5 gal70 L
Front Axle/Diff Fluid Capacity49 gal186 L
Rear Axle/Diff Fluid Capacity49 gal186 L
Static Tipping Weight76776 lb34825 kg
Turning Radius28 ft8543 mm
Operating Voltage24 V24 V
Alternator Supplied Amperage100 amps100 amps
Rear Axle Oscillation26 degrees26 degrees
Tire Size35/6535/65
Transmission
Number Of Forward Gears44
Number Of Reverse Gears33
Max Speed - Forward24 mph38.6 km/h
Max Speed - Reverse15.6 mph25.1 km/h
Direct Drive - Forward 313.6 mph21.9 km/h
Direct Drive - Reverse 315.6 mph25.2 km/h
Direct Drive - Forward 424 mph38.7 km/h
Direct Drive - Forward 27.7 mph12.4 km/h
Direct Drive - Reverse 28.8 mph14.2 km/h
Converter Drive - Forward 312.9 mph20.8 km/h
Converter Drive - Reverse 314.7 mph23.7 km/h
Direct Drive - Forward 1Lock-up disablesLock-up disables
Converter Drive - Forward 422.3 mph35.9 km/h
Converter Drive - Forward 14.2 mph6.8 km/h
Converter Drive - Forward 27.3 mph11.8 km/h
Direct Drive - Reverse 14.9 mph7.9 km/h
Converter Drive - Reverse 14.7 mph7.6 km/h
Converter Drive - Reverse 28.4 mph13.6 km/h
Steering
SteeringMeets SAE and ISO standardsMeets SAE and ISO standards
Total Steering Angle86 degrees86 degrees
Buckets
Maximum Bucket Capacity10 yd37.7 m3
Bucket Capacities6.4 m3-7.7 m3 8.3 yd3-10 yd36.4 m3-7.7 m3 8.3 yd3-10 yd3
Hydraulic System
Relief Valve Setting4500 psi31000 kPa
Pump Flow Capacity130 gal/min492 L/min
Raise Time9.4 sec9.4 sec
Dump Time2.4 sec2.4 sec
Lower Time3.8 sec3.8 sec
Axles
FrontFixedFixed
RearOscillating 13 degreesOscillating 13 degrees
Maximum Single-Wheel Rise And Fall22.4 in569 mm
Brakes
BrakesMeet SAE ISO 3450:1996Meet SAE ISO 3450:1996
Operating Specifications
Tipping Load - Straight84038 lb38119 kg
Attachment TypeCat quick coupler and forksCat quick coupler and forks
Hinge Pin Height, Unloaded16.2 ft5 m
Overall Length39.9 ft12.2 m
Turning Radius - Sae Carry31 ft9.5 m
Tipping Load - Articulated 37 Degrees73826 lb33487 kg
Rated Payload27557.8 lb12500 kg
Service Refill Capacities
Cooling System27.2 gal103 L
Fuel Tank188 gal711.7 L
Crankcase15.9 gal60.2 L
Transmission18.5 gal70.1 L
Differential - Final Drives - Front49 gal185.5 L
Differential - Final Drives - Rear49 gal185.5 L
Hydraulic System Factory Fill124.2 gal470.2 L
Hydraulic System - Tank Only70.5 gal266.9 L
Hydraulic Cycle Times
Raise9.4 s9.4 s
Dump2.4 s2.4 s
Total Hydraulic Cycle Time15.6 s15.6 s
Lower Float Down - Empty3.8 s3.8 s
Cab
Cab - Rops/FopsMeets SAE and ISO standardsMeets SAE and ISO standards
Sound PerformanceMeets ANSI, SAE and ISO standardsMeets ANSI, SAE and ISO standards
Loader Hydraulic System
Relief Valve Setting5075 psi5075 psi
Cylinders, Double Acting - Lift, Bore And Stroke220 911 mm 8.7 35.9 in220 911 mm 8.7 35.9 in
Cylinders, Double Acting - Tilt, Bore And Stroke220 1770 mm 8.7 69.7220 1770 mm 8.7 69.7
Relief Valve Setting - Low Idle348.1 psi348.1 psi
Main Hydraulic System Output At 2010 Rpm And 6900 Kpa (1000 Psi)130 gal/min130 gal/min
Pilot System - Gear-Type Pump Output At 2,010 Rpm And 2500 Kpa (363 Psi)20.1 gal/min20.1 gal/min
Loader Hydraulic System Main Hydraulic System Output At 2,010 Rpm And 6900 Kpa (1,000 Psi)130 gal/min130 gal/min
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