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988 GC Wheel Loader
986 Wheel Loader

Operating Specifications

Operating Weight 112426 lb - -
Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3) 5-10,3 m³ (6,5-13,5 yd.³) -
Rated Payload - Quarry Face 12.5 ton (US) - -
Cat Truck Match - High Lift 772/773/775 772/773 -
Operating Weight - Standard - 97785 lb -
Operating Weight - High Lift - 104005 lb -
Rated Payload - Standard (Quarry Face) - 11 ton (US) -
Rated Payload - Loose Material (Standard) - 14 ton (US) -
Rated Payload - High Lift (Quarry Face) - 11 ton (US) -
Rated Payload - Loose Material (High Lift) - 12.1 ton (US) -
Cat Truck Match - Standard - 770/735/740/745 -

Engine

Engine Model Cat® C15 C15 Cat® -
Rated Speed 2000 rpm 2000 -
Peak Power Speed 1600 rpm 1600 -
Gross Power - SAE J1995:2014 456 hp - -
Net Power - SAE J1349:2011 448 hp 373 hp -
Bore 5.4 in 5.4 in -
Stroke 6.75 in 6.75 in -
Displacement 927 in³ 927 in² -
Peak Torque (1,200 rpm) - SAE J1995:2014 1778 lbf·ft - -
Torque Rise 16% 16% -
Note (1) Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 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. - -
Note (3) Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions. - -
Peak Power Speed - Gross - SAE J1995 - 456 hp -
Engine Power - ISO 14396 - 449 hp -
Rated Speed - 2,000 rpm - EEC 80/1269 - 373 hp -
Rated Speed - 2,000 rpm - EEC 80/1269 (DIN) - 378 hp -
Rated Speed - 2,000 rpm - ISO 9249 - 373 hp -
Rated Speed - 2,000 rpm - ISO 9249 (DIN) - 378 hp -
Peak Torque - 1,200 rpm - SAE J1995 - 1778 lb/ft -
Emissions - U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards and Brazil MAR-1 emission standards, equivalent to China Nonroad Stage III, U.S. EPA Tier 3 and EU Stage IIIA -

Transmission

Transmission Type Cat planetary power shift Cat planetary power shift -
Forward - 1 5 mile/h 5 mile/h -
Forward - 2 8 mile/h 8 mile/h -
Reverse - 1 5 mile/h 5 mile/h -
Reverse - 2 8 mile/h 8 mile/h -
Direct Drive - Forward 1 Lock-up disabled - -
Direct Drive - Forward 2 8 mile/h 8 mile/h -
Direct Drive - Forward 3 14 mile/h 14 mile/h -
Direct Drive - Forward 4 24 mile/h 24 mile/h -
Direct Drive - Reverse 1 Lock-up disabled - -
Direct Drive - Reverse 2 9 mile/h 9 mile/h -
Direct Drive - Reverse 3 16 mile/h 16 mile/h -
Direct Drive - Reverse 4 25.4 mile/h 25.4 mile/h -
Note Travel speeds based on 35/65-R33 tires. - -

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit EH - Load Sense Load Sense -
Lift/Tilt System - Pump Variable displacement piston 2 × 110 cc variable displacement -
Maximum Flow at 2,165 rpm 159 gal/min 123 gal/min -
Relief Valve Setting - Lift/Tilt 4598 psi 4050 psi -
Cylinders, Double Acting - Lift, Bore and Stroke 190 mm x 1216 mm (7.5 in x 48 in) - -
Cylinders, Double Acting - Tilt, Bore and Stroke 170 mm x 722 mm (6.7 in x 28.4 in) - -
Pilot System Variable displacement piston - -
Relief Valve Setting 500 psi - -
Lift Cylinder - Bore - 7.5 in -
Lift Cylinder - Stroke - 45 in -
Tilt Cylinder - Bore - 6.7 in -
Tilt Cylinder - Stroke - 28.4 in -

Hydraulic Cycle Times

Rack Back 3.8 s 4.5 s -
Raise 7.5 s 9 s -
Dump 3 s 3.5 s -
Lower Float Down 4.6 s 4.3 s -
Total Hydraulic Cycle Time - Empty Bucket 18.9 s - -
Lower - 5.2 s -
Total Hydraulic Cycle Time - 21.3 s -

Hydraulic System - Steering

Steering System - Circuit Pilot, load sensing Load Sense -
Steering System - Pump Piston, variable displacement Piston, variable displacement -
Maximum Flow at 2,165 rpm 52 gal/min - -
Relief Valve Setting - Steering 4000 psi - -
Total Steering Angle 70° 70° -
Steering Cycle Times - High Idle 3 s - -
Steering Cycle Times - Low Idle 5.2 s - -
Maximum Flow at 1,400 rpm - 52 gal/min -
Steering Cut Off Pressure - 4000 psi -

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 co 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 co -

Axles

Front Fixed Fixed -
Rear Trunnion Trunnion -
Oscillation Angle +/-12.5° ±12.5° -
Oscillation Angle - Chain Arrangement - ±8.5° -

Brakes

Brakes ISO 3450:2011 ISO 3450:2011 -

Operator's Cab

ROPS/FOPS Rollover Protective Structure/Falling Objects Protective Structure (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) -

Sound Performance - Tier 4 Final / Stage V

Operator Sound Pressure Level (ISO 6396:2008) 73 dB(A) - -
Machine Sound Power Level (ISO 6395:2008) 113 dB(A) - -
Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) - -
Machine Sound Power Level (ISO 6395:2008)** 110 dB(A) - -
Note (1) * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.” - -
Note (2) ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701. - -
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) 74 dB(A) - -
Machine Sound Power Level (ISO 6395:2008) 113 dB(A) - -
Operator Sound Pressure Level (ISO 6396:2008)* 73 dB(A) - -
Machine Sound Power Level (ISO 6395:2008)** 110 dB(A) - -
Note (1) * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.” - -
Note (2) ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701. - -
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 141 gal (US) 141 gal (US) -
Cooling System 27 gal (US) - -
Engine Crankcase 9 gal (US) - -
Diesel Exhaust Fluid Tank 5.5 gal (US) 6 gal (US) -
Transmission 20 gal (US) 20 gal (US) -
Differential - Final Drives - Front 49 gal (US) - -
Differential - Final Drives - Rear 45 gal (US) - -
Hydraulic System Factory Fill 94 gal (US) 87 gal (US) -
Note Cat 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) *** - 10 - -
Fuel Tank - Short Lift - 127 gal (US) -
Cooling Systems - 26 gal (US) -
Crankcase - 9 gal (US) -
Axle Oil - Differentials and Final Drives - Front - 49 gal (US) -
Axle Oil - Differentials and Final Drives - Rear - 45 gal (US) -
Hydraulic System - Tank Only - 34 gal (US) -

Dimensions (Approximate) - High Lift

Ground to Top of ROPS 13.5 ft - -
Ground to Top of Exhaust Stacks 13.3 ft - -
Ground to Top of Hood 10.7 ft - -
Ground to Fuel Tank Clearance 2.2 ft - -
Rear Axle - Centerline to Bumper 10.3 ft - -
Front Axle Centerline to Bucket Tip 16.7 ft - -
Wheel Base 12.5 ft - -
Maximum Overall Length 39.5 ft - -
Ground to Lower Hitch Clearance 1.5 ft - -
Ground to Center of Front Axle 3.2 ft - -
Clearance at Maximum Lift (45° Dump) 12 ft - -
B-Pin Height - Maximum Lift 18.7 ft - -
Maximum Overall Height - Bucket Raised 25 ft - -
Reach at Maximum Lift (45° Dump) 7.7 ft - -
Note Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires. - -

Sound Performance - Standard

Operator Sound Level (ISO 6396) - 72 dB(A) -
Machine Sound Level (ISO 6395) - 112 dB(A) -
Note -
  • 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.
  • Hearing protection may be neede
-

Sound Performance - Suppression

Operator Sound Level (ISO 6396) - 72 dB(A) -
Machine Sound Level (ISO 6395) - 110 dB(A) -
Note -
  • 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.
  • Hearing protection may be neede
-

Dimensions (Approximate) - Standard Lift Linkage

Ground to Top of ROPS - 13.5 ft -
Ground to Top of Exhaust Stacks - 13.3 ft -
Ground to Top of Hood - 10.7 ft -
Ground to Center of Front Axle - 3.2 ft -
Ground to Fuel Tank Clearance - 2.3 ft -
Ground to Lower Hitch Clearance - 1.5 ft -
Reach - Maximum Lift - 7.1 ft -
Clearance at Maximum Lift - 10.1 ft -
B-Pin Height - Maximum Lift - 16.1 ft -
Maximum Overall Height - Bucket Raised - 22.4 ft -
Rear Axle - Centerline to Bumper - 10.3 ft -
Wheel Base - 12.5 ft -
Maximum Overall Length - 36.6 ft -
Front Axle Centerline to Bucket Tip - 13.8 ft -
Note -
  • All dimensions are approximate.
  • Specs are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
-

Dimensions (Approximate) - High Lift Linkage

Ground to Top of ROPS - 13.5 ft -
Ground to Top of Exhaust Stacks - 13.3 ft -
Ground to Top of Hood - 10.7 ft -
Ground to Center of Front Axle - 3.2 ft -
Ground to Fuel Tank Clearance - 2.3 ft -
Ground to Lower Hitch Clearance - 1.5 ft -
Reach - Maximum Lift - 7.4 ft -
Clearance at Maximum Lift - 11.6 ft -
B-Pin Height - Maximum Lift - 17.6 ft -
Maximum Overall Height - Bucket Raised - 23.9 ft -
Rear Axle - Centerline to Bumper - 10.3 ft -
Wheel Base - 12.5 ft -
Maximum Overall Length - 38 ft -
Front Axle Centerline to Bucket Tip - 15.3 ft -
Note -
  • All dimensions are approximate.
  • Specs are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
-

Dimensions (Approximate) - Quick Coupler and 6.1 m³ (8.0 yd³) Bucket

Ground to Top of ROPS - 13.5 ft -
Ground to Top of Exhaust Stacks - 13.3 ft -
Ground to Top of Hood - 10.7 ft -
Ground to Center of Rear Axle - 3.2 ft -
Ground to Fuel Tank Clearance - 2.3 ft -
Ground to Lower Hitch Clearance - 1.5 ft -
Reach at Maximum Lift - 8 ft -
Clearance at Maximum Lift - 10.7 ft -
B-Pin Height at Maximum Lift - 15 ft -
Maximum Overall Height, Bucket Raised - 20.9 ft -
Rear Axle Center Line to Bumper - 10.3 ft -
Wheel Base - 12.5 ft -
Maximum Overall Length - 35 ft -
Front Axle Centerline to Bucket Tip - 12.2 ft -

Dimensions (Approximate) - Quick Coupler and Fork

Ground to Top of ROPS - 13.5 ft -
Ground to Top of Exhaust Stacks - 13.3 ft -
Ground to Top of Hood - 10.7 ft -
Ground to Center of Rear Axle - 3.2 ft -
Ground to Fuel Tank Clearance - 2.3 ft -
Ground to Lower Hitch Clearance - 1.5 ft -
B-Pin Height at Maximum Lift - 15 ft -
Rear Axle Center Line to Bumper - 10.3 ft -
Wheel Base - 12.5 ft -
Maximum Overall Length - 35.4 ft -
Front Axle Centerline to Bucket Tip - 12.6 ft -
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