Caterpillar 988K Steel Mill Arrangement Wheel Loader Specs

Category: Wheel Loaders ➔
Manufacturer: Caterpillar ➔
Model: 988K Steel Mill Arrangement ➔

Axles

Caterpillar 988K Steel Mill Arrangement Wheel Loader Axles specifications
Front	Fixed
Oscillation Angle	6 degrees
Rear	Trunnion

Brakes

Caterpillar 988K Steel Mill Arrangement Wheel Loader Brakes specifications
Brakes	SAE J1473 OCT90, ISO 3450:1992

Buckets

Caterpillar 988K Steel Mill Arrangement Wheel Loader Buckets specifications
Bucket Capacities	5.4-6.3 m3 (7.0-8.3 yd3)

Engine

Caterpillar 988K Steel Mill Arrangement Wheel Loader Engine specifications
Bore	5.70 in (14.48 cm)
Displacement	1,105.00 cu in (18,107.75 cu cm)
Emissions	U.S. EPA Tier 4 Final/EU Stage IV, Tier 2 Equivalent
Engine Model	Cat C18 ACERT
Gross - Iso 14396	580.00 hp (432.51 kw)
Net Power	541.00 hp (403.43 kw)
Net Power - Sae J1349	541.00 hp (403.43 kw)
Peak Power Speed	1,500 rpm
Peak Power Speed - 1,500 Rpm - Gross - Iso 14396	580.00 hp (432.51 kw)
Peak Power Speed - 1,500 Rpm - Gross - Sae J1995	588.00 hp (438.48 kw)
Peak Power Speed - 1,500 Rpm - Net Power - Sae J1349	541.00 hp (403.43 kw)
Peak Torque - 1,200 Rpm	2,104.00 lbs ft (2,852.60 nm)
Rated Speed	1700 rpm
Stroke	7.20 in (18.29 cm)
Torque Rise	58 %

Hydraulic Cycle Time (1,400-1,860 Rpm)

Caterpillar 988K Steel Mill Arrangement Wheel Loader Hydraulic Cycle Time (1,400-1,860 Rpm) specifications
Dump	2.2 s
Lower Float Down	3.5 s
Rack Back	4.5 s
Raise	8 s
Total Hydraulic Cycle Time - Empty Bucket	18.2 s

Hydraulic System - Lift/Tilt

Caterpillar 988K Steel Mill Arrangement Wheel Loader Hydraulic System - Lift/Tilt specifications
Cylinders, Double Acting - Lift, Bore And Stroke	210 mm 1050 mm (8.3 in 41.3 in)
Cylinders, Double Acting - Tilt, Bore And Stroke	267 mm 685 mm (10.5 in 27.0 in)
Lift/Tilt System	Variable displacement piston
Lift/Tilt System - Circuit	EH- Positive Flow Control, Flow Sharing
Maximum Flow	13.70 gpm (51.85 lpm)
Maximum Flow At 1,400-1,860 Rpm	153.00 gpm (579.11 lpm)
Pilot System	Variable displacement piston
Relief Valve Setting	551 psi
Relief Valve Setting - Lift/Tilt	4757 psi

Hydraulic System - Steering

Caterpillar 988K Steel Mill Arrangement Wheel Loader Hydraulic System - Steering specifications
Maximum Flow	71.30 gpm (269.87 lpm)
Relief Valve Setting - Steering	4351 psi
Steering Cycle Times - High Idle	3.4 s
Steering Cycle Times - Low Idle	5.6 s
Steering System - Circuit	Pilot, load sensing
Steering System - Pump	Piston, variable displacement
Total Steering Angle	80 degrees

Operating Specifications

Caterpillar 988K Steel Mill Arrangement Wheel Loader Operating Specifications specifications
Bucket Capacity Range	6.4-7.6 m3 (8.3-10 yd3)
Cat Truck Match - High Lift	773-775
Cat Truck Match - Standard	770-772
Rated Payload	27,557.80 lbs (12,500.02 kg)
Rated Payload - High Lift	27,557.80 lbs (12,500.02 kg)
Rated Payload - Standard	27,557.80 lbs (12,500.02 kg)

Operational

Caterpillar 988K Steel Mill Arrangement Wheel Loader Operational specifications
Operating Weight	112,574.00 lbs (51,062.77 kg)

Service Refill Capacities

Caterpillar 988K Steel Mill Arrangement Wheel Loader Service Refill Capacities specifications
Cooling System	31.70 gal (119.98 l)
Crankcase	15.90 gal (60.18 l)
Diesel Exhaust Fluid Tank (Tier 4)	8.70 gal (32.93 l)
Differential - Final Drives - Front	49.10 gal (185.84 l)
Differential - Final Drives - Rear	49.10 gal (185.84 l)
Fuel Tank	181.00 gal (685.09 l)
Hydraulic System - Tank Only	63.40 gal (239.97 l)
Hydraulic System Factory Fill	125.50 gal (475.02 l)
Transmission	31.70 gal (119.98 l)

Sound Performance - Standard

Caterpillar 988K Steel Mill Arrangement Wheel Loader Sound Performance - Standard specifications
Machine Sound Level (Iso 6395)	111 dB(A)
Operator Sound Level (Iso 6396)	71 dB(A)

Sound Performance - Suppression

Caterpillar 988K Steel Mill Arrangement Wheel Loader Sound Performance - Suppression specifications
Machine Sound Level (Iso 6395)	109 dB(A)
Operator Sound Level (Iso 6396)	70 dB(A)

Transmission

Caterpillar 988K Steel Mill Arrangement Wheel Loader Transmission specifications
Direct Drive - Forward 1	Lock-up disabled
Direct Drive - Forward 2	7.80 mph (12.55 kph)
Direct Drive - Forward 3	13.90 mph (22.37 kph)
Direct Drive - Forward 4	24.40 mph (39.27 kph)
Direct Drive - Reverse 1	5.00 mph (8.05 kph)
Direct Drive - Reverse 2	8.90 mph (14.32 kph)
Direct Drive - Reverse 3	15.80 mph (25.43 kph)
Forward - 1	4.00 mph (6.44 kph)
Forward - 2	7.20 mph (11.59 kph)
Forward - 3	12.70 mph (20.44 kph)
Forward - 4	21.60 mph (34.76 kph)
Reverse - 1	4.70 mph (7.56 kph)
Reverse - 2	8.30 mph (13.36 kph)
Reverse - 3	14.40 mph (23.17 kph)
Transmission Type	Cat planetary power shift

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