CaterpillarCaterpillar
988K XE
Wheel Loader
57 specifications
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Specifications
82 data points
Operating Specifications
| Operating Voltage | 24 V |
|---|---|
| Rear Axle Oscillation | 22 ° |
| Front Axle/Diff Fluid Capacity | 71.6 gal |
| Cooling System Fluid Capacity | 50.2 gal |
| Transmission Fluid Capacity | 29.1 gal |
| Rated Bucket Capacity | 11.00 – 11.99 yd³ |
| Rated Payload | 33,000 lb |
| Hinge Pin Height, Unloaded | 231 in |
| Tipping Load - Articulated 37 degrees | 77,799 lb |
Engine
| Displacement | 1,666 in³ |
|---|---|
| Power Measured @ | 2,000 rpm |
| Gross Power | 687.0 hp |
| Net Power | 627.0 hp |
| Make | Cat |
| Stroke | 6 in |
| Bore | 5 in |
| Net Power - ISO 9249 | 627.0 hp |
| Net Power - SAE J1349 | 621.0 hp |
| Flywheel Power | 627.0 hp |
| Net Power - EEC 80/1269 | 627.0 hp |
| Net Power - ISO 14396 | 669.0 hp |
| Gross Power - ISO 3046-2 | 627.0 hp |
Weights
| Operating Weight | 172,270 lb |
|---|
Hydraulic System
| Raise Time | 9.2 s |
|---|---|
| Lower Time | 3.8 s |
| Dump Time | 2.9 s |
Dimensions
| Ground Clearance | 19 in |
|---|---|
| Height - Top of Cab | 200 in |
| Wheelbase | 181 in |
Transmission
| Max Speed - Forward | 14.0 mph |
|---|---|
| Max Speed - Reverse | 15.5 mph |
| Transmission Type | Powershift |
| Number of Forward Gears | 3 |
| Number of Reverse Gears | 3 |
| Forward - 1 | 4.4 mph |
| Reverse - 1 | 5.0 mph |
| Forward - 2 | 8.0 mph |
| Reverse - 2 | 8.8 mph |
| Forward - 3 | 14.0 mph |
| Reverse - 3 | 15.5 mph |
| Direct Drive - Forward 2 | 7.9 mph |
| Direct Drive - Forward 3 | 13.9 mph |
| Direct Drive - Reverse 2 | 8.8 mph |
| Direct Drive - Reverse 3 | 15.4 mph |
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Reverse 1 | 4.9 mph |
| Converter Drive - Forward 1 | 4.3 mph |
| Converter Drive - Forward 2 | 7.5 mph |
| Converter Drive - Forward 3 | 12.9 mph |
| Converter Drive - Reverse 1 | 4.8 mph |
| Converter Drive - Reverse 2 | 8.3 mph |
| Converter Drive - Reverse 3 | 14.2 mph |
Cab & Operator
| Cab - ROPS/FOPS | Meets SAE and ISO standards |
|---|
Tires & Wheels
| Tires | Tires used for measurement - 41.25/70-39 42 ply |
|---|
Bucket
| Bucket Capacity - heaped | 11.30 yd³ |
|---|---|
| Breakout Force | 133,650 lb |
| Bucket Width | 175 in |
| Bucket Capacities | 11.99 yd³ |
Service Refill Capacities
| Cooling System | 50.2 gal |
|---|---|
| Transmission | 29.0 gal |
| Crankcase | 25.0 gal |
| Fuel Tank | 284.0 gal |
| Differential - Final Drives - Front | 71.6 gal |
| Differential - Final Drives - Rear | 68.9 gal |
| Hydraulic System - Tank Only | 46.0 gal |
| Hydraulic System - Lift/Tilt and Brakes | 113.0 gal |
| Hydraulic System - Steering and Engine Cooling Fan | 50.5 gal |
Steering System
| Steering Angle - Each Direction | 35 ° |
|---|---|
| Minimum Turning Radius - Over Bucket | 407 in |
| Steering | Meets SAE and ISO standards |
| Total Steering Angle | 70 ° |
Axles
| Front | Fixed |
|---|---|
| Rear | Oscillating |
| Maximum Single-Wheel Rise and Fall | 23 in |
| Oscillation Angle | 11 ° |
Loader Hydraulic System
| Relief Valve Setting | 4,500 psi |
|---|---|
| Relief Valve Setting - Low Idle | 350 psi |
| Cylinders, Double Acting - Lift, Bore and Stroke | 234 mm 1270 mm (9.25 in 50 in) |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 292 mm 820 mm (11.5 in 32.3 in) |
Hydraulic Cycle Times
| Raise | 9.2 s |
|---|---|
| Dump | 2.9 s |
| Total Hydraulic Cycle Time | 15.9 s |
Comparable machines
Other wheel loaders in a similar weight class.
