Cat® Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton. Introduced in 1963, the 988 has been the industry leader for 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
ID Number | M23633 |
Model | 988K |
Model Year | 2023 |
Serial Number | 0T8E00743 |
Location | PLEASANT GROVE 7310 |
Net Power | 541HP |
Engine Model | Cat® C18 ™ |
Bore | 5.7in |
Stroke | 7.2in |
Displacement | 1105in³ |
Torque Rise | 58% |
Rated Speed | 1700/min |
Peak Torque - 1,200 rpm | 2104lb/ft |
Net Power - SAE J1349 | 541HP |
Peak Power Speed | 1500/min |
Peak Power Speed - 1,500 rpm - Gross - ISO 14396 | 580HP |
Gross - ISO 14396 | 580HP |
Peak Power Speed - 1,500 rpm - Gross - SAE J1995 | 588HP |
Emissions | U.S. EPA Tier 4 Final/EU Stage V OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent |
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 | 541HP |
Operating Weight | 112574lb |
Bucket Capacity Range | 4.7-13 m3 (6.2-17 yd3) |
Rated Payload - Quarry Face | 12.5t |
Cat Truck Match - High Lift | 773~775 |
Rated Payload - Loose Material | 16t |
Cat Truck Match - Standard | 770~772 |
Bucket Capacities | 4.7-13 m3 (6.2-17 yd3) |
Transmission Type | Cat-Planetenlastschaltgetriebe |
Forward - 1 | 4mile/h |
Forward - 2 | 7.2mile/h |
Forward - 3 | 12.7mile/h |
Forward - 4 | 21.6mile/h |
Reverse - 1 | 4.7mile/h |
Reverse - 2 | 8.3mile/h |
Reverse - 3 | 14.4mile/h |
Direct Drive - Reverse 2 | 8.9mile/h |
Direct Drive - Reverse 3 | 15.8mile/h |
Direct Drive - Forward 2 | 7.8mile/h |
Direct Drive - Reverse 1 | 5mile/h |
Direct Drive - Forward 1 | Lock-up disabled |
Direct Drive - Forward 3 | 13.9mile/h |
Direct Drive - Forward 4 | 24.4mile/h |
Front | Fixed |
Rear | Trunnion |
Oscillation Angle | 13 ° |
Fuel Tank | 188gal (US) |
Cooling System | 31.7gal (US) |
Crankcase | 15.9gal (US) |
Transmission | 31.7gal (US) |
Hydraulic System - Tank Only | 63.4gal (US) |
Coolant (Validated by Test Cell Fill Quantities) | 33gal (US) |
Transmission - Validated by Test Cell Fill Quantities | 29gal (US) |
Differential - Final Drives - Rear | 49.1gal (US) |
Hydraulic System Factory Fill | 125.5gal (US) |
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage IV Only) | 8.7gal (US) |
Differential - Final Drives - Front | 49.1gal (US) |
Steering System - Pump | Piston, variable displacement |
Total Steering Angle | 86 ° |
Maximum Flow | 71.3gal/min |
Relief Valve Setting - Steering | 4351psi |
Steering Cycle Times - High Idle | 3.4s |
Steering System - Circuit | Pilot, load sensing |
Steering Cycle Times - Low Idle | 5.6s |
Total Hydraulic Cycle Time - Empty Bucket | 18.2s |
Lower Float Down | 3.5s |
Rack Back | 4.5s |
Raise | 8s |
Dump | 2.2s |
Operator Sound Level (ISO 6396) | 72dB(A) |
Machine Sound Level (ISO 6395) | 111dB(A) |
Machine Sound Level (ISO 6395) | 109dB(A) |
Operator Sound Level (ISO 6396) | 72dB(A) |
Operator Sound Level (ISO 6396) | 72dB(A) |
Machine Sound Level (ISO 6395) | 110dB(A) |
Machine Sound Level (ISO 6395) | 112dB(A) |
Operator Sound Level ( ISO 6396) | 73dB(A) |
Maximum Flow | 13.7gal/min |
Maximum Flow at 1,400-1,860 rpm | 153gal/min |
Lift/Tilt System | Variable displacement piston |
Cylinders, Double Acting - Tilt, Bore and Stroke | 269 mm × 685 mm (8.7 in × 27 in) |
Relief Valve Setting - Main | 551psi |
Relief Valve Setting - Lift/Tilt | 4757psi |
Pilot System | Variable displacement piston |
Cylinders, Double Acting - Lift, Bore and Stroke | 210 mm × 1050 mm (8.7 in × 41.3 in) |
Lift/Tilt System - Circuit | EH- Positive Flow Control, Flow Sharing |
Brakes | SAE J1473 OKT90, ISO 3450:1992 |
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988K Wheel Loader