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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    Learn more about the 988K XE Wheel Loader

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    Product Specs

    Engine

    Net Power - SAE J1349 538 HP
    Engine Model Cat® C18 ™
    Engine Power - ISO 14396 580 HP
    Gross Power - SAE J1995 588 HP
    Rated Speed 1,700 rpm
    Emissions U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
    Peak Power Speed 1,500 rpm
    Bore 5.7 in
    Stroke 7.2 in
    Displacement 1105 in³
    Peak Torque - 1,200 rpm - SAE J1995 2230 ft·lbf
    Torque Rise 58%

    Operating Specifications

    Operating Weight 116362 lb
    Operating Weight - Standard 116362 lb
    Operating Weight - High Lift 119618 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)

    Transmission

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

    Hydraulic System - Lift/Tilt

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

    Hydraulic Cycle Times

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

    Hydraulic System - Steering

    Steering System - Circuit Pilot, load sensing
    Steering System - Pump Piston, variable displacement
    Maximum Flow at 1,400-1,600 rpm 71.3 gal/min
    Steering Cut Off Pressure 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 equivalent of 2.574 metric tonnes.

    Axles

    Front Fixed
    Rear Trunnion
    Oscillation Angle 13°

    Brakes

    Brakes ISO 3450:2011

    Operator's Cab

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

    Service Refill Capacities

    Fuel Tank 147 gal (US)
    Cooling System - Jacket Water 30 gal (US)
    Cooling Systems - Power Train 8 gal (US)
    Engine Crankcase 16 gal (US)
    Diesel Exhaust Fluid Tank 8.7 gal (US)
    Transmission 16 gal (US)
    Differential - Final Drives - Front 49 gal (US)
    Differential - Final Drives - Rear 49 gal (US)
    Hydraulic System - Implement/Steering 126 gal (US)
    Note All nonroad Tier 4 Final/Stage V 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). – Cat engines are compatible with the following renewable, alternative, and biodiesel* fuels that reduce greenhouse gases: Up to B20 biodiesel (FAME) ** Up to 100% HVO and GTL renewable fuels * Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. – 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.

    Sound Performance - Tier 4 Final/EU Stage V - Standard

    Operator Sound Level (ISO 6396) 72 dB(A)
    Machine Sound Level (ISO 6395) 109 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

    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 Bumper Clearance 3.1 ft
    Rear Axle - Centerline to Bumper 10.5 ft
    Front Axle Centerline to Bucket Tip 14 ft
    Wheel Base 14.9 ft
    Maximum Overall Length 39.3 ft
    Ground to Lower Hitch Clearance 1.9 ft
    Ground to Center of Axles 3.2 ft
    Clearance at Maximum Lift 11.9 ft
    B-Pin Height - Maximum Lift 18 ft
    Maximum Overall Height - Bucket Raised 24.5 ft
    Reach - Maximum Lift 6.5 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.

    Dimensions (Approximate) - High Lift

    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 Bumper Clearance 3.1 ft
    Rear Axle - Centerline to Bumper 10.5 ft
    Front Axle Centerline to Bucket Tip 15.3 ft
    Wheel Base 14.9 ft
    Maximum Overall Length 40.7 ft
    Ground to Lower Hitch Clearance 1.9 ft
    Ground to Center of Axles 3.2 ft
    Clearance at Maximum Lift 13.3 ft
    B-Pin Height - Maximum Lift 19.3 ft
    Maximum Overall Height - Bucket Raised 25.8 ft
    Reach - Maximum Lift 6.8 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.

    Buckets

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