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Metric | Imperial

Large Wheel Loaders

988

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Large Wheel Loaders

986

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Large Wheel Loaders

988 XE

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Engine

Engine Power - ISO 14396:2002

580 hp 432 kW

449 hp 335 kW

580 hp 432 kW

Engine Model

Cat® C18

Cat® C15

Cat® C18

Rated Speed

1700/rpm

2000

1,700 rpm

Peak Power Speed

1500/rpm

1600

1,500 rpm

Gross Power - SAE J1995:2014

588 hp 439 kW

456 hp 340 kW

588 hp 439 kW

Net Power - SAE J1349:2011

538 hp 401 kW

373 hp 278 kW

538 hp 401 kW

Bore

5.7 in 145 mm

5.4 in 137 mm

5.7 in 145 mm

Stroke

7.2 in 183 mm

6.75 in 171.5 mm

7.2 in 183 mm

Displacement

1105 in³ 18.1 l

927 in² 15.2 l

1105 in³ 18.1 l

Peak Torque - 1,200 rpm

2104 lbf·ft 2852 N·m

2230 lbf·ft 3023 N·m

Torque Rise

58 % 58 %

16%

58%

Note (1)

Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emission standards.

Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Two engine emissions options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Note (2)

Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.

Operating Specifications

Operating Weight

112574 lb 51062 kg

116362 lb 52781 kg

Bucket Capacity Range

4.7-13 m3 (6.2-17 yd3)

5.0-10.3 m³ (6.5-13.5 yd³)

4.7-13 m3 (6.2-17 yd3)

Rated Payload - Quarry Face

12.5 t 11.3 t

Rated Payload - Loose Material

16 t 14.5 t

Cat Truck Match - Standard

770 - 772

770/735/740/745

Cat Truck Match - High Lift

773 - 775

772/773

Transmission

Transmission Type

Cat planetary powershift

Cat planetary power shift

Cat switched reluctance electric drive

Forward - 1

4.0 mile/h 6.5 km/h

5 mile/h 7.3 km/h

Forward - 2

7.2 mile/h 11.6 km/h

8 mile/h 12.2 km/h

Forward - 3

12.7 mile/h 20.4 km/h

Forward - 4

21.6 mile/h 34.7 km/h

Reverse - 1

4.7 mile/h 7.5 km/h

5 mile/h 7.6 km/h

Reverse - 2

8.3 mile/h 13.3 km/h

8 mile/h 13.6 km/h

Reverse - 3

14.4 mile/h 23.2 km/h

Direct Drive - Forward 1

Lock-up disabled

Direct Drive - Forward 2

7.8 mile/h 12.5 km/h

8 mile/h 12.7 km/h

Direct Drive - Forward 3

13.9 mile/h 22.3 km/h

14 mile/h 22 km/h

Direct Drive - Forward 4

24.4 mile/h 39.3 km/h

24 mile/h 39 km/h

Direct Drive - Reverse 1

5.0 mile/h 8.0 km/h

Direct Drive - Reverse 2

8.9 mile/h 14.3 km/h

9 mile/h 14.1 km/h

Direct Drive - Reverse 3

15.8 mile/h 25.5 km/h

16 mile/h 25 km/h

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit

EH- Positive Flow Control, Flow Sharing

Load Sense

EH-Positive Flow Control, Flow Sharing

Lift/Tilt System - Pump

Variable displacement piston

2 × 110 cc variable displacement

Variable displacement piston

Maximum Flow at 1,400-1,860 rpm

153 gpm 580 L/min

Relief Valve Setting - Lift/Tilt

4757 psi 32800 kPa

4050 psi 27900 kPa

4757 psi 32800 kPa

Cylinders, Double Acting - Lift, Bore and Stroke

210 mm × 1050 mm (8.7 in × 41.3 in)

Cylinders, Double Acting - Tilt, Bore and Stroke

266 mm × 685 mm (8.7 in × 27 in)

Pilot System

Variable displacement piston

Relief Valve Setting - Main

551 psi 3800 kPa

Hydraulic Cycle Time (1,400-1,860 rpm)

Rack Back

4.5 s 4.5 s

Raise

8.0 s 8.0 s

9 s 9 s

8 s 8 s

Dump

2.2 s 2.2 s

3.5 s 3.5 s

2.2 s 2.2 s

Lower Float Down

3.5 s 3.5 s

4.3 s 4.3 s

3.5 s 3.5 s

Total Hydraulic Cycle Time - Empty Bucket

18.2 s 18.2 s

Hydraulic System - Steering

Steering System - Circuit

Pilot, load sensing

Load Sense

Pilot, load sensing

Steering System - Pump

Piston, variable displacement

Maximum Flow at 1,400-1,600 rpm

71.3 gpm 270 L/min

153 gpm 580 L/min

Relief Valve Setting - Steering

4351 psi 30000 kPa

Total Steering Angle

86 °

70°

86°

Steering Cycle Times - High Idle

3.4 s 3.4 s

Steering Cycle Times - Low Idle

5.6 s 5.6 s

Air Conditioning System

Air Conditioning

• The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).

Axles

Front

Fixed

Rear

Trunnion

Oscillation Angle

13 °

±12.5°

13°

Brakes

ISO 3450:2011

Operator's Cab

ROPS/FOPS

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

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

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

Sound Performance - Tier 4 Final / Stage V

Operator Sound Pressure Level (ISO 6396:2008)

73 dB(A) 73 dB(A)

72 dB(A) 72 dB(A)

Machine Sound Power Level (ISO 6395:2008)

111 dB(A) 111 dB(A)

113 dB(A) 113 dB(A)

109 dB(A) 109 dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*

72 dB(A) 72 dB(A)

Machine Sound Power Level (ISO 6395:2008)**

109 dB(A) 109 dB(A)

110 dB(A) 110 dB(A)

109 dB(A) 109 dB(A)

Note (1)

Note (2)

Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.

Note (3)

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)

The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)

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.

Sound Performance - Tier 3 / Stage IIIA

Operator Sound Pressure Level (ISO 6396:2008)

73 dB(A) 73 dB(A)

72 dB(A) 72 dB(A)

Machine Sound Power Level (ISO 6395:2008)

111 dB(A) 111 dB(A)

113 dB(A) 113 dB(A)

109 dB(A) 109 dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*

72 dB(A) 72 dB(A)

Machine Sound Power Level (ISO 6395:2008)**

109 dB(A) 109 dB(A)

110 dB(A) 110 dB(A)

109 dB(A) 109 dB(A)

Note (1)

Note (2)

Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.

Note (3)

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)

The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)

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.

Service Refill Capacities

Fuel Tank

188 gal (US) 712 l

141 gal (US) 535 l

147 gal (US) 555 l

Cooling System

31.7 gal (US) 120 l

Coolant (Validated by Test Cell Fill Quantities)

33 gal (US) 125 l

Crankcase

15.9 gal (US) 60 l

9 gal (US) 34 l

Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only)

8.7 gal (US) 33 l

Transmission

24.3 gal (US) 92 l

20 gal (US) 75 l

16 gal (US) 60 l

Transmission - Validated by Test Cell Fill Quantities

29 gal (US) 110 l

Differential - Final Drives - Front

49.1 gal (US) 186 l

49 gal (US) 186 l

Differential - Final Drives - Rear

49.1 gal (US) 186 l

49 gal (US) 186 l

Hydraulic System Factory Fill

125.5 gal (US) 475 l

87 gal (US) 330 l

Hydraulic System - Tank Only

63.4 gal (US) 240 l

34 gal (US) 130 l

Note

• All non-road Tier 4 Final/Stage V diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: – 20% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. • Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** • For pre-Tier 4 engines: Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: – 100% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * For use of blends higher than 20% biodiesel, consult your Cat dealer. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

All dimensions are approximate.
Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.

Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: • 20% biodiesel FAME (fatty acid methyl ester)*** • 100% renewable diesel, HVO (hydrotreated vegetable oil and GTL (gas-to- liquid) fuels • Cat engines meeting Brazil MAR-1 emissions standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA, are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: • 100% biodiesel FAME (fatty acid methyl ester)*** • 100% renewable diesel, HVO (hydrotreated vegetable oil and GTL (gas-to- liquid) fuels Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).

Dimensions (Approximate) - Standard Lift Linkage

Ground to Top of ROPS

13.8 ft 4202 mm

13.5 ft 4100 mm

13.8 ft 4202 mm

Ground to Top of Exhaust Stacks

14.8 ft 4521 mm

13.3 ft 4060 mm

14.8 ft 4521 mm

Ground to Top of Hood

10.9 ft 3334 mm

10.7 ft 3270 mm

10.9 ft 3334 mm

Rear Axle - Centerline to Bumper

10.5 ft 3187 mm

10.3 ft 3132 mm

10.5 ft 3187 mm

Front Axle Centerline to Bucket Tip

14 ft 4254 mm

13.8 ft 4201 mm

14.0 ft 4254 mm

Wheel Base

14.9 ft 4550 mm

12.5 ft 3810 mm

14.9 ft 4550 mm

Maximum Overall Length

39.3 ft 11991 mm

36.6 ft 11143 mm

39.3 ft 11991 mm

Ground to Lower Hitch Clearance

1.9 ft 568 mm

1.5 ft 459 mm

1.9 ft 568 mm

Clearance at Maximum Lift

11.9 ft 3641 mm

10.1 ft 3079 mm

11.9 ft 3641 mm

B-Pin Height - Maximum Lift

18.0 ft 5485 mm

16.1 ft 4912 mm

18.0 ft 5491 mm

Maximum Overall Height - Bucket Raised

24.5 ft 7455 mm

22.4 ft 6817 mm

24.5 ft 7455 mm

Reach - Maximum Lift

6.5 ft 1981 mm

7.1 ft 2175 mm

6.5 ft 1981 mm

Dimensions (Approximate) - High Lift Linkage

Ground to Top of ROPS

13.8 ft 4202 mm

13.5 ft 4100 mm

13.8 ft 4202 mm

Ground to Top of Exhaust Stacks

14.8 ft 4521 mm

13.3 ft 4060 mm

14.8 ft 4521 mm

Ground to Top of Hood

10.9 ft 3334 mm

10.7 ft 3270 mm

10.9 ft 3334 mm

Rear Axle - Centerline to Bumper

10.5 ft 3187 mm

10.3 ft 3132 mm

10.5 ft 3187 mm

Front Axle Centerline to Bucket Tip

14 ft 4254 mm

13.8 ft 4201 mm

14.0 ft 4254 mm

Wheel Base

14.9 ft 4550 mm

12.5 ft 3810 mm

14.9 ft 4550 mm

Maximum Overall Length

39.3 ft 11991 mm

36.6 ft 11143 mm

39.3 ft 11991 mm

Ground to Lower Hitch Clearance

1.9 ft 568 mm

1.5 ft 459 mm

1.9 ft 568 mm

Clearance at Maximum Lift

11.9 ft 3641 mm

10.1 ft 3079 mm

11.9 ft 3641 mm

B-Pin Height - Maximum Lift

18.0 ft 5485 mm

16.1 ft 4912 mm

18.0 ft 5491 mm

Maximum Overall Height - Bucket Raised

24.5 ft 7455 mm

22.4 ft 6817 mm

24.5 ft 7455 mm

Reach - Maximum Lift

6.5 ft 1981 mm

7.1 ft 2175 mm

6.5 ft 1981 mm

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