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Operating Specifications
	988 GC Wheel Loader View Product	986 Wheel Loader View Product Remove	988 Wheel Loader View Product Remove
Operating Weight	112426 lb	-	112574 lb
Bucket Capacity Range	6.4-7.6 m3 (8.3-10 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 ton (US)	-	12.5 t
Cat Truck Match - High Lift	772/773/775	772/773	773 - 775
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	770 - 772
Rated Payload - Loose Material	-	-	16 t
Engine
Engine Model	Cat® C15	Cat® C15	Cat® C18
Rated Speed	2000 rpm	2000	1700/rpm
Peak Power Speed	1600 rpm	1600	1500/rpm
Gross Power - SAE J1995:2014	456 hp	456 hp	588 hp
Net Power - SAE J1349:2011	448 hp	373 hp	538 hp
Bore	5.4 in	5.4 in	5.7 in
Stroke	6.75 in	6.75 in	7.2 in
Displacement	927 in³	927 in²	1105 in³
Peak Torque (1,200 rpm) - SAE J1995:2014	1778 lbf·ft	1778 lb/ft	-
Torque Rise	16%	16%	58 %
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.	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.	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 emissio
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.	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.	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.	-	-
Engine Power - ISO 14396:2002	-	449 hp	580 hp
Rated Speed - 2,000 rpm - EEC 80/1269	-	373 hp	-
Rated Speed - 2,000 rpm - ISO 9249	-	373 hp	-
Peak Torque - 1,200 rpm	-	-	2104 lbf·ft
Transmission
Transmission Type	Cat planetary power shift	Cat planetary power shift	Cat planetary powershift
Forward - 1	5 mile/h	5 mile/h	4 mile/h
Forward - 2	8 mile/h	8 mile/h	7.2 mile/h
Reverse - 1	5 mile/h	5 mile/h	4.7 mile/h
Reverse - 2	8 mile/h	8 mile/h	8.3 mile/h
Direct Drive - Forward 1	Lock-up disabled	-	Lock-up disabled
Direct Drive - Forward 2	8 mile/h	8 mile/h	7.8 mile/h
Direct Drive - Forward 3	14 mile/h	14 mile/h	13.9 mile/h
Direct Drive - Forward 4	24 mile/h	24 mile/h	24.4 mile/h
Direct Drive - Reverse 1	Lock-up disabled	-	5 mile/h
Direct Drive - Reverse 2	9 mile/h	9 mile/h	8.9 mile/h
Direct Drive - Reverse 3	16 mile/h	16 mile/h	15.8 mile/h
Direct Drive - Reverse 4	25.4 mile/h	25.4 mile/h	-
Note	Travel speeds based on 35/65-R33 tires.	-	-
Forward - 3	-	-	12.7 mile/h
Forward - 4	-	-	21.6 mile/h
Reverse - 3	-	-	14.4 mile/h
Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit	EH - Load Sense	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 2,165 rpm	159 gpm	123 gpm	-
Relief Valve Setting - Lift/Tilt	4598 psi	4050 psi	4757 psi
Cylinders, Double Acting - Lift, Bore and Stroke	190 mm x 1216 mm (7.5 in x 48 in)	-	210 mm × 1050 mm (8.7 in × 41.3 in)
Cylinders, Double Acting - Tilt, Bore and Stroke	170 mm x 722 mm (6.7 in x 28.4 in)	-	266 mm × 685 mm (8.7 in × 27 in)
Pilot System	Variable displacement piston	-	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	-
Maximum Flow at 1,400-1,860 rpm	-	-	153 gpm
Relief Valve Setting - Main	-	-	551 psi
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	Pilot, load sensing
Steering System - Pump	Piston, variable displacement	Piston, variable displacement	Piston, variable displacement
Maximum Flow at 2,165 rpm	52 gpm	-	-
Relief Valve Setting - Steering	4000 psi	-	4351 psi
Total Steering Angle	70°	70°	86 °
Steering Cycle Times - High Idle	3 s	-	3.4 s
Steering Cycle Times - Low Idle	5.2 s	-	5.6 s
Maximum Flow at 1,400 rpm	-	52 gpm	-
Steering Cut Off Pressure	-	4000 psi	-
Maximum Flow at 1,400-1,600 rpm	-	-	71.3 gpm
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	• 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
Axles
Front	Fixed	Fixed	Fixed
Rear	Trunnion	Trunnion	Trunnion
Oscillation Angle	+/-12.5°	±12.5°	13 °
Oscillation Angle - Chain Arrangement	-	±8.5°	-
Brakes
Brakes	ISO 3450:2011	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)	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)	73 dB(A)
Machine Sound Power Level (ISO 6395:2008)	113 dB(A)	113 dB(A)	111 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*	72 dB(A)	72 dB(A)	72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**	110 dB(A)	110 dB(A)	109 dB(A)
Note (1)	* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”	* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”	* 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.	** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.	** 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.	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.	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.	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.	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.	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.	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)	74 dB(A)	73 dB(A)
Machine Sound Power Level (ISO 6395:2008)	113 dB(A)	113 dB(A)	112 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*	73 dB(A)	73 dB(A)	72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**	110 dB(A)	110 dB(A)	110 dB(A)
Note (1)	* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”	* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”	* 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.	** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.	** 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.	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.	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.	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.	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.	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.	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)	188 gal (US)
Cooling System	27 gal (US)	-	31.7 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)	24.3 gal (US)
Differential - Final Drives - Front	49 gal (US)	-	49.1 gal (US)
Differential - Final Drives - Rear	45 gal (US)	-	49.1 gal (US)
Hydraulic System Factory Fill	94 gal (US)	87 gal (US)	125.5 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	-	• 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
Fuel Tank - Short Lift	-	127 gal (US)	-
Cooling Systems	-	26 gal (US)	-
Crankcase	-	9 gal (US)	15.9 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)	63.4 gal (US)
Coolant (Validated by Test Cell Fill Quantities)	-	-	33 gal (US)
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only)	-	-	8.7 gal (US)
Transmission - Validated by Test Cell Fill Quantities	-	-	29 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.	-	-
Dimensions (Approximate) - Standard Lift Linkage
Ground to Top of ROPS	-	13.5 ft	13.8 ft
Ground to Top of Exhaust Stacks	-	13.3 ft	14.8 ft
Ground to Top of Hood	-	10.7 ft	10.9 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	1.9 ft
Reach - Maximum Lift	-	7.1 ft	6.5 ft
Clearance at Maximum Lift	-	10.1 ft	11.9 ft
B-Pin Height - Maximum Lift	-	16.1 ft	18 ft
Maximum Overall Height - Bucket Raised	-	22.4 ft	24.5 ft
Rear Axle - Centerline to Bumper	-	10.3 ft	10.5 ft
Wheel Base	-	12.5 ft	14.9 ft
Maximum Overall Length	-	36.6 ft	39.3 ft
Front Axle Centerline to Bucket Tip	-	13.8 ft	14 ft
Note	-	All dimensions are approximate. Specifications 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	13.8 ft
Ground to Top of Exhaust Stacks	-	13.3 ft	14.8 ft
Ground to Top of Hood	-	10.7 ft	10.9 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	1.9 ft
Reach - Maximum Lift	-	7.4 ft	6.8 ft
Clearance at Maximum Lift	-	11.6 ft	13.3 ft
B-Pin Height - Maximum Lift	-	17.6 ft	19.3 ft
Maximum Overall Height - Bucket Raised	-	23.9 ft	25.8 ft
Rear Axle - Centerline to Bumper	-	10.3 ft	10.5 ft
Wheel Base	-	12.5 ft	14.9 ft
Maximum Overall Length	-	38 ft	40.7 ft
Front Axle Centerline to Bucket Tip	-	15.3 ft	15.3 ft
Note	-	All dimensions are approximate. Specifications 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	-
Hydraulic Cycle Time (1,400-1,860 rpm)
Rack Back	-	-	4.5 s
Raise	-	-	8 s
Dump	-	-	2.2 s
Lower Float Down	-	-	3.5 s
Total Hydraulic Cycle Time - Empty Bucket	-	-	18.2 s

Compare Equipment Go Back

988 GC Wheel Loader

986 Wheel Loader

988 Wheel Loader

Operating Specifications

Engine

Transmission

Hydraulic System - Lift/Tilt

Hydraulic Cycle Times

Hydraulic System - Steering

Air Conditioning System

Axles

Brakes

Operator's Cab

Sound Performance - Tier 4 Final / Stage V

Sound Performance - Tier 3 / Stage IIIA

Service Refill Capacities

Dimensions (Approximate) - High Lift

Dimensions (Approximate) - Standard Lift Linkage

Dimensions (Approximate) - High Lift Linkage

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

Dimensions (Approximate) - Quick Coupler and Fork

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

Earthmoving

Parts & Service

Power Systems

Technology

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