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
- Peak Power Speed
- 1500/rpm
- 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 emission standards, Brazil MAR-1 and China Nonroad Stage IV emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA, and U.S. EPA Tier 2 a
- 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
- Lift/Tilt System
- Variable displacement piston
- Pilot System
- Variable displacement piston
Hydraulic System - Steering
- Steering System - Circuit
- Pilot, load sensing
- Steering System - Pump
- Piston, variable displacement
- Relief Valve Setting - Steering
- 4351 psi
- Total Steering Angle
- 86 °
- Steering Cycle Times - High Idle
- 3.4 s
- Steering Cycle Times - Low Idle
- 5.6 s
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
- 112
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