Revolutionary design, Caterpillar quality. Electro-hydraulic controls, increased power and torque rise, front linkage and unmatched operator comfort work together for increased performance and added durability to make the 988H an innovative, 21st Century large wheel loader geared for maximum production in the toughest conditions.
Engine
Units: US
Net Power
501 hp
373 kW
Engine Model
Cat® C18 ACERT
Cat® C18 ACERT
Gross Power
555 hp
414 kW
Net Power – EEC 80/1269
501 hp
373 kW
Net Power – ISO 9249
501 hp
373 kW
Gross Power – ISO 3046-2
520 hp
388 kW
Bore
5.7 in
145 mm
Stroke
7.2 in
183 mm
Displacement
1104.5 in3
18.1 L
Rated Speed
1800rpm
1800rpm
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Operating Specifications
Operating Weight
109249 lb
49546 kg
Rated Payload
12.5 tons
11.4 tonnes
Rated Payload – Standard
12.5 tons
11.4 tonnes
Static Tipping Load, Full Turn
64745.28 lb
29368 kg
Static Tipping Load, Full Turn – HL
59945.82 lb
27191 kg
Dump Clearance
12.28 ft
3742 mm
Breakout Force
85067.69 lb
378.4 kN
Cat Truck Match – Standard
769D
769D
Operating Weight – HL
111176.78 lb
50429 kg
Bucket Capacity – HL
9.16 yd3
7 m3
Breakout Force – HL
105278.01 lb
468.3 kN
Articulation Angle
43 Degrees
43 Degrees
Buckets
Bucket Capacities
6.3 m3 – 7.0 m3 (8.2 yd3 – 9.2 yd3)
6.3 m3 – 7.0 m3 (8.2 yd3 – 9.2 yd3)
Max. Bucket Capacity
9.2 yd3
7 m3
Bucket Width
12.12 ft
3695 mm
Transmission
Converter Drive – Forward 1
4.2 mph
6.7 km/h
Converter Drive – Forward 2
7.3 mph
11.8 km/h
Converter Drive – Forward 3
12.9 mph
20.8 km/h
Converter Drive – Forward 4
22.3 mph
36 km/h
Converter Drive – Reverse 1
4.7 mph
7.6 km/h
Converter Drive – Reverse 2
8.4 mph
13.5 km/h
Converter Drive – Reverse 3
14.7 mph
23.7 km/h
Direct Drive – Forward 1
Lock-up disabled
Lock-up disabled
Direct Drive – Forward 2
7.7 mph
12.3 km/h
Direct Drive – Forward 3
13.6 mph
21.9 km/h
Direct Drive – Forward 4
24 mph
38.6 km/h
Direct Drive – Reverse 1
4.9 mph
7.9 km/h
Direct Drive – Reverse 2
8.8 mph
14.1 km/h
Direct Drive – Reverse 3
15.6 mph
25.1 km/h
Axles
Maximum Single-Wheel Rise and Fall
22.4 in
568 mm
Front
Fixed
Fixed
Rear
Oscillating
Oscillating
Oscillation Angle
Degrees
Degrees
Hydraulic Cycle Time
Raise
9.4 Seconds
9.4 Seconds
Dump
2.4 Seconds
2.4 Seconds
Lower Float Down (Empty)
3.8 Seconds
3.8 Seconds
Total Hydraulic Cycle Time
15.6 Seconds
15.6 Seconds
Loader Hydraulic System
Main Hydraulic System Output at 2010 rpm and 6900 kPa (1000 psi)
130 gal/min
492 L/min
Relief Valve Setting
4500 psi
31000 kPa
Cylinders, Double Acting: Lift, Bore and Stroke
220 x 911 mm 8.7 x 35.9 in
220 x 911 mm 8.7 x 35.9 in
Cylinder, Double Acting: Tilt, Bore and Stroke
220 x 1770 mm 8.7 x 69.7 in
220 x 1770 mm 8.7 x 69.7 in
Pilot System, Gear-Type Pump Output at 2010 rpm and 2500 kPa (363 psi)
20.1 gal/min
76 L/min
Relief Valve Setting (low idle)
348.1 psi
2400 kPa
Steering
Steering
Meets SAE and ISO standards
Meets SAE and ISO standards
Total Steering Angle
86 Degrees
86 Degrees
Service Refill Capacities
Fuel Tank
188 gal
712 L
Cooling System
27.2 gal
103 L
Crankcase
15.9 gal
60 L
Transmission
18.5 gal
70 L
Differentials and Final Drives – Front
49 gal
186 L
Differentials and Final Drives – rear
49 gal
186 L
Hydraulic System (factory fill)
124.2 gal
470 L
Hydraulic System (tank only)
70.5 gal
267 L
Cab
Air Conditioning
Standard
Standard
Cab – ROPS/FOPS
Meets SAE and ISO standards
Meets SAE and ISO standards
Sound Performance
Meets ANSI, SAE and ISO standards
Meets ANSI, SAE and ISO standards
Brakes
Brakes
Meet SAE ISO 3450:1996
Meet SAE ISO 3450:1996
Dimensions*
Height to Top of Exhaust Stacks
13.54 ft
4128 mm
Height to Top of ROPS/FOPS
13.54 ft
4128 mm
Height to Top of Hood
10.35 ft
3156 mm
Ground Clearance
1.8 ft
549 mm
Reach at Max. Lift/Dump – Std
5.64 ft
1720 mm
Reach at Max. Lift/Dump – HL
5.96 ft
1818 mm
Clearance at Max. Lift/Dump – Std
12.43 ft
3790 mm
Clearance at Max. Lift /Dump – HL
13.79 ft
4203 mm
Bucket Pivot at Max. Lift – Std
17.85 ft
5440 mm
Bucket Pivot at Max. Lift – HL
19.2 ft
5853 mm
Overall Height Bucket Raised – Std
25.26 ft
7699 mm
Overall Height Bucket Raised – HL
26.61 ft
8111 mm
Length – Rear Axle to Bumper
10.28 ft
3132 mm
Wheel Base Length
14.93 ft
4550 mm
Overall Length – Std
38.6 ft
11765 mm
Overall Length – HL
40.06 ft
12209 mm
Full Turn Static Tipping Load at 43°
65186.2 lb
29568 kg
Dump Clearance at Full Lift and 45° Dump – Std
12.43 ft
3790 mm
Reach at Full Lift and 45° Dump – Std
5.64 ft
1720 mm
Dump Clearance at Full Lift and 45° Dump – HL
13.79 ft
4203 mm
Reach at Full Lift and 45° Dump – HL
5.96 ft
1818 mm
Straight Static Tipping Load – Std
77219.02 lb
35026 kg
Straight Static Tipping Load – HL
71980.84 lb
32650 kg
Hinge Pin Height at Full Lift – Std
17.85 ft
5440 mm
Hinge Pin Height at Full Lift – HL
19.2 ft
5853 mm
Height to Top of Cab
13.54 ft
4128 mm
Height to Top of Air Cleaner
11.1 ft
