New CAT Equipment

988K XE 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 lower cost per ton.
Introduced in 1963, the 988 has been the industry leader for over 50 years, built on a legacy of reliability, performance, safety, operator comfort, serviceability, and productivity. The 988K XE brings improved sustainability and maximum efficiency to this machine platform.

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    Product Specs

    Engine

    Net Power 541 HP
    Engine Model Cat® C18 ™
    Bore 5.7 in
    Stroke 7.2 in
    Displacement 1105 in³
    Rated Speed 1,700 rpm
    Peak Torque @ (speed) - SAE J1995 2104 ft·lbf
    Net Power - SAE J1349 541 HP
    Torque Rise 58%
    Peak Power Speed - 1,500 rpm - Gross - ISO 14396 580 HP
    Emissions U.S. EPA Tier 4 Final/EU Stage IV
    Peak Power Speed - 1,500 rpm - Gross - SAE J1995 588 HP
    Gross Power - ISO 14396 580 HP
    Peak Power Speed 1,500 rpm
    Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 541 HP

    Operating Specifications

    Operating Weight 116362 lb
    Rated Payload - Standard (Quarry Face) 12.5 ton (US)
    Rated Payload - Loose Material (Standard) 16 ton (US)
    Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3)
    Operating Weight - Standard 116362 lb
    Operating Weight - High Lift 119618 lb

    Transmission

    Transmission Type Cat switched reluctance electric drive
    Forward 4 (virtual) 20 mile/h
    Reverse 3 (virtual) 17.5 mile/h
    Forward 2 (virtual) 7 mile/h
    Reverse 2 (virtual) 7 mile/h
    Forward 3 (virtual) 13.8 mile/h
    Reverse 1 (virtual) 4.3 mile/h
    Forward 1 (virtual) 4.3 mile/h

    Hydraulic System - Lift/Tilt

    Lift Cylinder - Bore 8.7 in
    Lift/Tilt System - Pump Variable displacement piston
    Lift/Tilt System - Circuit EH-Positive Flow Control, Flow Sharing
    Maximum Flow at 1,400-1,600 rpm 153 gal/min
    Lift Cylinder - Stroke 41.3 in
    Relief Valve Setting - Lift/Tilt 4757 psi
    Tilt Cylinder - Bore 8.7 in
    Tilt Cylinder - Stroke 27 in

    Service Refill Capacities

    Fuel Tank 147 gal (US)
    Transmission 16 gal (US)
    Cooling System - Jacket Water 30 gal (US)
    Differential - Final Drives - Rear 49 gal (US)
    Cooling Systems - Power Train 8 gal (US)
    Differential - Final Drives - Front 49 gal (US)
    Engine Crankcase 16 gal (US)
    Diesel Exhaust Fluid Tank 8.7 gal (US)
    Hydraulic System - Implement/Steering 126 gal (US)
    Note All non-road Tier 4 Final/Stage IV diesel engines are required to use: – The machine has the flexibility to run on either ultra-low-sulfur diesel fuel (ULSD with 15 ppm of sulfur or less) or up to B20 biodiesel when feedstock meeting ASTM D7467 specifications is blended with ULSD. – Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specifications are required. – Only use DEF that meets ISO 22241-1 standards.

    Buckets

    Bucket Capacities 4.7-13 m3 (6.2-17 yd3)

    Axles

    Front Fixed
    Rear Trunnion
    Oscillation Angle 13°

    Brakes

    Brakes ISO 3450:2011

    Hydraulic System - Steering

    Steering Cycle Times - High Idle 3.4 s
    Total Steering Angle 86°
    Maximum Flow at 1,400-1,600 rpm 71.3 gal/min
    Steering Cycle Times - Low Idle 5.6 s
    Steering Cut Off Pressure 4351 psi
    Steering System - Circuit Pilot, load sensing
    Steering System - Pump Piston, variable displacement
    Steering ISO 5010:2007

    Hydraulic Cycle Times

    Rack Back 4.5 s
    Raise 8 s
    Lower Float Down 3.5 s
    Total Hydraulic Cycle Time 18.2 s
    Dump 2.2 s

    Sound Performance - Tier 4 Final/Stage IV

    Machine Sound Level (ISO 6395) 109 dB(A)
    Operator Sound Level (ISO 6396) 72 dB(A)
    Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
    Note (2) 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.
    Note (3) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

    Dimensions (Approximate) - Standard Lift

    Rear Axle - Centerline to Bumper 10.5 ft
    Note Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
    Maximum Overall Height - Bucket Raised 24.5 ft
    Ground to Top of ROPS 13.7 ft
    Ground to Top of Exhaust Stacks 14.8 ft
    Wheel Base 14.9 ft
    B-Pin Height - Maximum Lift 18 ft
    Reach - Maximum Lift 6.8 ft
    Maximum Overall Length 40 ft
    Ground to Bumper Clearance 3.1 ft
    Ground to Lower Hitch Clearance 1.9 ft
    Ground to Center of Axles 3.2 ft
    Front Axle Centerline to Bucket Tip 14.7 ft
    Clearance at Maximum Lift 11.3 ft
    Ground to Top of Hood 10.9 ft

    Dimensions (Approximate) - High Lift

    Ground to Lower Hitch Clearance 1.9 ft
    B-Pin Height - Maximum Lift 19.3 ft
    Rear Axle - Centerline to Bumper 10.5 ft
    Clearance at Maximum Lift 12.7 ft
    Ground to Bumper Clearance 3.1 ft
    Ground to Top of Hood 10.9 ft
    Front Axle Centerline to Bucket Tip 15.9 ft
    Ground to Top of Exhaust Stacks 14.8 ft
    Reach - Maximum Lift 7 ft
    Maximum Overall Length 41.3 ft
    Wheel Base 14.9 ft
    Ground to Top of ROPS 13.7 ft
    Ground to Center of Axles 3.2 ft
    Note Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
    Maximum Overall Height - Bucket Raised 25.8 ft

    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 equivalent of 2.574 metric tonnes.

    Operator's Cab

    ROPS/FOPS ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
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