988 Wheel Loader
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 low cost per ton. Introduced in 1963, the 988 has been an industry leader for 60 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
Engine
- Gross Power - SAE J1995
- 588 HP
- Peak Power Speed
- 1500/rpm
- Engine Power - ISO 14396
- 580 HP
- Net Power - SAE J1349
- 541 HP
- Rated Speed
- 1700/min
- Bore
- 5.7 in
- Stroke
- 7.2 in
- Displacement
- 1105 in²
- Torque Rise
- 58
- Emissions
- U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
- Engine Model
- Cat® C18 ™
Buckets
- Bucket Capacities
- 4.7-13 m3 (6.2-17 yd3)
Transmission
- Forward - 3
- 12.7 mile/h
- Forward - 4
- 21.6 mile/h
- Reverse - 3
- 14.4 mile/h
- Transmission Type
- Cat planetary powershift
- Forward - 1
- 4 mile/h
- Forward - 2
- 7.2 mile/h
- Direct Drive - Forward 2
- 7.8 mile/h
- Direct Drive - Forward 3
- 13.9 mile/h
- Direct Drive - Forward 4
- 24.4 mile/h
- Reverse - 1
- 4.7 mile/h
- Reverse - 2
- 8.3 mile/h
- Direct Drive - Reverse 2
- 8.9 mile/h
- Direct Drive - Reverse 3
- 15.8 mile/h
Service Refill Capacities
- Differential - Final Drives - Front
- 49.1 gal (US)
- Differential - Final Drives - Rear
- 49.1 gal (US)
- Crankcase
- 15.9 gal (US)
- Fuel Tank
- 188 gal (US)
- Cooling System
- 31.7 gal (US)
- Diesel Exhaust Fluid Tank
- 8.7 gal (US)
- Transmission
- 31.7 gal (US)
- Hydraulic System Factory Fill
- 125.5 gal (US)
- Hydraulic System - Tank Only
- 63.4 gal (US)
Operating Specifications
- Bucket Capacity Range
- 4.7-13 m3 (6.2-17 yd3)
- Cat Truck Match - Standard
- 770?772
- Cat Truck Match - High Lift
- 773?775
- Operating Weight
- 112574 lb
Hydraulic System - Lift/Tilt
- Lift/Tilt System - Circuit
- EH- Positive Flow Control, Flow Sharing
- Relief Valve Setting - Lift/Tilt
- 4757 psi
Hydraulic System - Steering
- Steering System - Circuit
- Pilot, load sensing
- Steering System - Pump
- Piston, variable displacement
- Total Steering Angle
- 86 °
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equiv
Axles
- Front
- Fixed
- Rear
- Trunnion
- Oscillation Angle
- 13 °
Brakes
- Brakes
- ISO 3450:2011
Shipping
- UPC
- Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Operator's Cab
- ROPS/FOPS
- ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Dimensions (Approximate) - Standard Lift Linkage
- Ground to Top of ROPS
- 13.8 ft
- Ground to Top of Exhaust Stacks
- 14.8 ft
- Ground to Top of Hood
- 10.9 ft
- Ground to Lower Hitch Clearance
- 1.9 ft
- Reach - Maximum Lift
- 6.5 ft
- Clearance at Maximum Lift
- 11.9 ft
- B-Pin Height - Maximum Lift
- 18 ft
- Maximum Overall Height - Bucket Raised
- 24.5 ft
- Rear Axle - Centerline to Bumper
- 10.5 ft
- Wheel Base
- 14.9 ft
- Maximum Overall Length
- 39.3 ft
- Front Axle Centerline to Bucket Tip
- 14 ft
Dimensions (Approximate) - High Lift Linkage
- Ground to Top of ROPS
- 13.8 ft
- Ground to Top of Exhaust Stacks
- 14.8 ft
- Ground to Top of Hood
- 10.9 ft
- Ground to Lower Hitch Clearance
- 1.9 ft
- Reach - Maximum Lift
- 6.8 ft
- Clearance at Maximum Lift
- 13.3 ft
- B-Pin Height - Maximum Lift
- 19.3 ft
- Maximum Overall Height - Bucket Raised
- 25.8 ft
- Rear Axle - Centerline to Bumper
- 10.5 ft
- Wheel Base
- 14.9 ft
- Maximum Overall Length
- 40.7 ft
- Front Axle Centerline to Bucket Tip
- 15.3 ft
