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.

Informações Tećnicas

• Net Power: 403 kW
• Operating Weight: 52781 kg
• Bucket Capacities: 4.7-13 m3 (6.2-17 yd3)

Mais informações

Engine

• Net Power: 403 kW / 541 HP
• Engine Model: Cat® C18
• Bore: 145 mm / 5.7 in
• Stroke: 183 mm / 7.2 in
• Displacement: 18.1 l / 1105 in³
• Rated Speed: 1,700 rpm
• Emissions: U.S. EPA Tier 4 Final/EU Stage IV
• Gross Power - ISO 14396: 432 kW / 580 HP
• Net Power - SAE J1349: 403 kW / 541 HP
• Peak Power Speed: 1,500 rpm
• Peak Power Speed - 1,500 rpm - Gross - ISO 14396: 432 kW / 580 HP
• Peak Power Speed - 1,500 rpm - Gross - SAE J1995: 439 kW / 588 HP
• Peak Power Speed - 1,500 rpm - Net Power - SAE J1349: 403 kW / 541 HP
• Peak Torque @ (speed) - SAE J1995: 2852 N·m / 2104 ft·lbf
• Torque Rise: 58%

Operating Specifications

• Operating Weight: 52781 kg / 116362 lb
• Bucket Capacity Range: 4.7-13 m3 (6.2-17 yd3)
• Rated Payload - High Lift (Face Material): 11.3 ton (US) / 12.5 t
• Rated Payload - High Lift (Loose Material): 14.5 ton (US) / 16 t
• Rated Payload - Standard (Face Material): 11.3 ton (US) / 12.5 t
• Rated Payload - Standard (Loose Material): 14.5 ton (US) / 16 t
• Operating Weight - High Lift: 54258 kg / 119618 lb
• Operating Weight - Standard: 52781 kg / 116362 lb

Transmission

• Transmission Type: Cat switched reluctance electric drive
• Forward 1 (virtual): 7 km/h / 4.3 mile/h
• Forward 2 (virtual): 11.3 km/h / 7 mile/h
• Forward 3 (virtual): 22.2 km/h / 13.8 mile/h
• Forward 4 (virtual): 32.1 km/h / 20 mile/h
• Reverse 1 (virtual): 7 km/h / 4.3 mile/h
• Reverse 2 (virtual): 11.3 km/h / 7 mile/h
• Reverse 3 (virtual): 28.2 km/h / 17.5 mile/h

Hydraulic System - Lift/Tilt

• Lift Cylinder - Bore: 210 mm / 8.7 in
• Lift Cylinder - Stroke: 1050 mm / 41.3 in
• 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: 580 l/min / 153 gal/min
• Relief Valve Setting - Lift/Tilt: 32800 kPa / 4757 psi
• Tilt Cylinder - Bore: 269 mm / 8.7 in
• Tilt Cylinder - Stroke: 685 mm / 27 in

Service Refill Capacities

• Fuel Tank: 555 l / 147 gal (US)
• Transmission: 60 l / 16 gal (US)
• Cooling System - Jacket Water: 112 l / 30 gal (US)
• Cooling Systems - Power Train: 30 l / 8 gal (US)
• Diesel Exhaust Fluid Tank: 33 l / 8.7 gal (US)
• Differential - Final Drives - Front: 186 l / 49 gal (US)
• Differential - Final Drives - Rear: 186 l / 49 gal (US)
• Engine Crankcase: 60 l / 16 gal (US)
• Hydraulic System - Implement/Steering: 475 l / 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

• Maximum Flow at 1,400-1,600 rpm: 270 l/min / 71.3 gal/min
• Steering Cut Off Pressure: 30000 kPa / 4351 psi
• Steering Cycle Times - High Idle: 3.4 s / 3.4 s
• Steering Cycle Times - Low Idle: 5.6 s / 5.6 s
• Steering System - Circuit: Pilot, load sensing
• Steering System - Pump: Piston, variable displacement
• Total Steering Angle: 86°
• Steering: ISO 5010:2007

Hydraulic Cycle Times

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

Sound Performance - Tier 4 Final/Stage IV

• Machine Sound Level (ISO 6395): 109 dB(A) / 109 dB(A)
• Operator Sound Level (ISO 6396): 72 dB(A) / 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.

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.

Dimensions (Approximate) - High Lift

• B-Pin Height - Maximum Lift: 5881 mm / 19.3 ft
• Clearance at Maximum Lift: 3882 mm / 12.7 ft
• Front Axle Centerline to Bucket Tip: 4854 mm / 15.9 ft
• Ground to Bumper Clearance: 933 mm / 3.1 ft
• Ground to Center of Axles: 978 mm / 3.2 ft
• Ground to Lower Hitch Clearance: 568 mm / 1.9 ft
• Ground to Top of Exhaust Stacks: 4498 mm / 14.8 ft
• Ground to Top of Hood: 3334 mm / 10.9 ft
• Ground to Top of ROPS: 4187 mm / 13.7 ft
• Maximum Overall Height - Bucket Raised: 7849 mm / 25.8 ft
• Maximum Overall Length: 12582 mm / 41.3 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.
• Reach - Maximum Lift: 2130 mm / 7 ft
• Rear Axle - Centerline to Bumper: 3187 mm / 10.5 ft
• Wheel Base: 4550 mm / 14.9 ft

Dimensions (Approximate) - Standard Lift

• B-Pin Height - Maximum Lift: 5479 mm / 18 ft
• Clearance at Maximum Lift: 3445 mm / 11.3 ft
• Front Axle Centerline to Bucket Tip: 4467 mm / 14.7 ft
• Ground to Bumper Clearance: 933 mm / 3.1 ft
• Ground to Center of Axles: 978 mm / 3.2 ft
• Ground to Lower Hitch Clearance: 568 mm / 1.9 ft
• Ground to Top of Exhaust Stacks: 4498 mm / 14.8 ft
• Ground to Top of Hood: 3334 mm / 10.9 ft
• Ground to Top of ROPS: 4187 mm / 13.7 ft
• Maximum Overall Height - Bucket Raised: 7455 mm / 24.5 ft
• Maximum Overall Length: 12204 mm / 40 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.
• Reach - Maximum Lift: 2074 mm / 6.8 ft
• Rear Axle - Centerline to Bumper: 3187 mm / 10.5 ft
• Wheel Base: 4550 mm / 14.9 ft

Operator's Cab

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