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Operating Specifications
	988 GC Wheel Loader View Product	950 GC Wheel Loader \| Front Loader View Product Remove	990 Wheel Loader View Product Remove
Operating Weight	112426 lb	-	-
Bucket Capacity Range	6.4-7.6 m3 (8.3-10 yd3)	-	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Rated Payload - Quarry Face	12.5 ton (US)	-	-
Cat Truck Match - High Lift	772/773/775	-	775-777
Operating Weight - Standard	-	-	178517 lb
Rated Payload - Standard	-	-	17.5 ton (US)
Rated Payload - High Lift	-	-	17.5 ton (US)
Cat Truck Match - Standard	-	-	773-775
Engine
Engine Model	Cat® C15	Cat C7.1	Cat® C27
Rated Speed	2000 rpm	-	1800 r/min
Peak Power Speed	1600 rpm	-	-
Gross Power - SAE J1995:2014	456 hp	-	766 hp
Net Power - SAE J1349:2011	448 hp	-	-
Bore	5.4 in	4.13 in	5.4 in
Stroke	6.75 in	5.31 in	6 in
Displacement	927 in³	428 in³	1649.5 in³
Peak Torque (1,200 rpm) - SAE J1995:2014	1778 lbf·ft	-	-
Torque Rise	16%	-	18 %
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.	-	-
Net Power - ISO 9249	-	225 hp	-
Emissions	-	Tier 4/Stage V	Option 2 - Emits equivalent to U.S. EPA Tier 2
Note	-	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg (4.2 lb) of refrigerant which has a CO2 equivalent of 2.717 metric tonnes (2.995 tons).	Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake sytstem, exhaust system, and alternator.
Maximum Net Power - 1,700 rpm - ISO 9249 - Metric	-	228 hp	-
Maximum Power - 1,700 rpm - ISO 14396	-	240 hp	-
Maximum Power - 1,700 rpm - ISO 14396 - Metric	-	243 hp	-
Peak Gross Torque - 1,400 rpm - SAE J1995	-	811 ft·lbf	-
Peak Gross Torque - 1,400 rpm - ISO 14396	-	805 ft·lbf	-
Maximum Net Power - 1,700 rpm - ISO 9249	-	225 hp	-
Maximum Net Power - 1,700 rpm - SAE J1349	-	225 hp	-
Maximum Power - 1,700 rpm - SAE J1995	-	241 hp	-
Engine Power - ISO 14396:2002	-	-	752 hp
Net Power - SAE J1349:2011 - Standard Ambient	-	-	699 hp
Net Power - SAE J1349:2011 - High Ambient	-	-	648 hp
Peak Torque - 1,200 rpm	-	-	2624 lb/ft
Transmission
Transmission Type	Cat planetary power shift	-	Cat planetary power shift
Forward - 1	5 mile/h	4.5 mile/h	4.6 mile/h
Forward - 2	8 mile/h	8 mile/h	8.2 mile/h
Reverse - 1	5 mile/h	4.5 mile/h	5.1 mile/h
Reverse - 2	8 mile/h	8 mile/h	9.1 mile/h
Direct Drive - Forward 1	Lock-up disabled	-	Lock-up disabled
Direct Drive - Forward 2	8 mile/h	-	8.2 mile/h
Direct Drive - Forward 3	14 mile/h	-	14.5 mile/h
Direct Drive - Forward 4	24 mile/h	-	-
Direct Drive - Reverse 1	Lock-up disabled	-	5.1 mile/h
Direct Drive - Reverse 2	9 mile/h	-	9.1 mile/h
Direct Drive - Reverse 3	16 mile/h	-	16 mile/h
Direct Drive - Reverse 4	25.4 mile/h	-	-
Note	Travel speeds based on 35/65-R33 tires.	Maximum travel speed in standard vehicle with empty bucket and standard L3 tires with 760 mm (30 in) roll radius.	Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Reverse - 3	-	14.2 mile/h	16 mile/h
Forward - 3	-	14.2 mile/h	14.5 mile/h
Forward - 4	-	22.4 mile/h	-
Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit	EH - Load Sense	-	Positive flow control
Lift/Tilt System - Pump	Variable displacement piston	-	-
Maximum Flow at 2,165 rpm	159 gpm	-	-
Relief Valve Setting - Lift/Tilt	4598 psi	-	4786 psi
Cylinders, Double Acting - Lift, Bore and Stroke	190 mm x 1216 mm (7.5 in x 48 in)	-	235 mm × 1287 mm (9.3 in × 50.7 in)
Cylinders, Double Acting - Tilt, Bore and Stroke	170 mm x 722 mm (6.7 in x 28.4 in)	-	292.1 mm × 820 mm (11.5 in × 32.3 in)
Pilot System	Variable displacement piston	-	Open loop and pressure reducing
Relief Valve Setting	500 psi	-	-
Lift/Tilt System	-	-	Variable displacement piston
Maximum Flow at 1,800 rpm	-	-	240 gpm
Pilot Relief Setting	-	-	507 psi
Hydraulic Cycle Times
Rack Back	3.8 s	-	4.3 s
Raise	7.5 s	-	8.6 s
Dump	3 s	-	2.9 s
Lower Float Down	4.6 s	-	3.7 s
Total Hydraulic Cycle Time - Empty Bucket	18.9 s	-	13.8 s
Lower	-	-	3.7 s
Hydraulic System - Steering
Steering System - Circuit	Pilot, load sensing	-	Pilot, load sensing
Steering System - Pump	Piston, variable displacement	-	Piston, variable displacement
Maximum Flow at 2,165 rpm	52 gpm	-	-
Relief Valve Setting - Steering	4000 psi	-	5004 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	-	-	96.2 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 c
Axles
Front	Fixed	-	Fixed
Rear	Trunnion	-	Trunnion
Oscillation Angle	+/-12.5°	-	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	-	-
Sound Performance - Tier 4 Final / Stage V
Operator Sound Pressure Level (ISO 6396:2008)	73 dB(A)	-	72 dB(A)
Machine Sound Power Level (ISO 6395:2008)	113 dB(A)	-	116 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*	72 dB(A)	-	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.”	-	*Sound suppression equipped
Note (2)	** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.	-	The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
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 operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent 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.	-	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 (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.	-	-
Machine Sound Power Level (ISO 6395:2008)*	-	-	114 dB(A)
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)	-	281 gal (US)
Cooling System	27 gal (US)	13.2 gal (US)	54.9 gal (US)
Engine Crankcase	9 gal (US)	-	20 gal (US)
Diesel Exhaust Fluid Tank	5.5 gal (US)	-	-
Transmission	20 gal (US)	11.9 gal (US)	29.1 gal (US)
Differential - Final Drives - Front	49 gal (US)	10.6 gal (US)	71.6 gal (US)
Differential - Final Drives - Rear	45 gal (US)	10 gal (US)	68.9 gal (US)
Hydraulic System Factory Fill	94 gal (US)	-	210 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	-	Cat U.S. EPA Tier 4 Final/EU 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 este
DEF Tank	-	4.2 gal (US)	-
Fuel Tank Size	-	76.6 gal (US)	-
Crankcase	-	4.8 gal (US)	-
Hydraulic Tank	-	29.6 gal (US)	-
Hydraulic Tank - Implement and Hydraulic Fan	-	-	68.9 gal (US)
Hydraulic Tank - Steering and Braking	-	-	34.9 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.	-	-
Weights
Operating Weight	-	41554 lb	-
Buckets
Bucket Capacities	-	2.9-4.4 m³ (3.75-5.75 yd³)	-
Sound
With Cooling Fan Speed at Maximum Value - Exterior Sound Pressure Level (SAE J88:2013)	-	76 dB(A)*	-
Note (1)	-	*Distance of 15 m (49.2 ft), moving forward in second gear ratio.	-
With Cooling Fan Speed at 70% of Maximum Value: Note (2)	-	European Union Directive "2000/14/EC" as amended by "2005/88/EC."	-
With Cooling Fan Speed at 70% of Maximum Value - Operator Sound Pressure Level (ISO 6396:2008)**	-	73 dB(A)	-
With Cooling Fan Speed at 70% of Maximum Value: Note (1)	-	For machines in European Union countries and in countries that adopt the EU Directives	-
With Cooling Fan Speed at Maximum Value - Note	-	Distance of 15 m (49.2 ft), moving forward in second gear ratio.	-
With Cooling Fan Speed at 70% of Maximum Value - Exterior Sound Power Level (ISO 6395:2008)**	-	107 LWA***	-
Note (3)	-	***European Union Directive "2000/14/EC" as amended by "2005/88/EC."	-
Note (2)	-	**For machines in European Union countries and in countries that adopt the "EU Directives."	-
With Cooling Fan Speed at Maximum Value - Operator Sound Pressure Level (ISO 6396:2008)	-	73 dB(A)	-
With Cooling Fan Speed at Maximum Value - Exterior Sound Power Level (ISO 6395:2008)	-	109 dB(A)	-
Dimensions
Rack Back - Ground	-	40 degrees	-
Height - Top of Exhaust Pipe	-	11.17 ft	-
Centerline of Rear Axle to Hitch	-	5.42 ft	-
Lift Arm Clearance	-	12 ft	-
B-Pin Height	-	13.75 ft	-
Centerline of Rear Axle to Edge of Counterweight	-	6.75 ft	-
Ground Clearance	-	1.5 ft	-
Rack Back - Maximum Lift	-	60 degrees	-
Height - Top of Hood	-	8.75 ft	-
Wheel Base	-	10.83 ft	-
Height - Top of ROPS	-	11.33 ft	-
Rack Back - Carry	-	45 degrees	-
Note	-	All dimensions are approximate and based on MAXAM MS302 23.5R25 L3 radial tires.	-
Weights and Operating Specifications
Note (2)	-	*Full compliance to ISO (2007) 14397-1 Sections 1 thru 6, which requires 2% verification between calculations and testing.	-
Tipping Load - Full Turn - Rigid Tires**	-	25875 lb	-
Breakout Force	-	34638 lbf	-
Tipping Load - Full Turn - ISO 14397-1*	-	24264 lb	-
Note (3)	-	**Compliance to ISO (2007) 14397-1 Sections 1 thru 5.	-
Operating Weight	-	41554 lb	-
Note (1)	-	For 3.1 m3 (4.0 yd3) general purpose buckets with BOCE. Weight based on a machine configuration with MAXAM MS302 23.5R25 L3 radial tires, full fluids, operator, standard counterweight, cold start, roading fenders, Product Link™, secondary steering, sound	-
Hydraulic System
Hydraulic Cycle Time - Total Cycle Time	-	9.4 s	-
Steering System - Pump Type	-	Piston	-
Implement System - Maximum Operating Pressure @ 50 ± 1.5 L/min (13.2 + 0.4 gal/min)	-	4047 psi	-
Implement System - Maximum Pump Output at 2,390 rpm	-	68 gpm	-
Engine - Tier 4 Final/Stage IV
Emissions	-	Tier 4/Stage IV	-
Sound Performance - Tier 2
Operator Sound Pressure Level (ISO 6396:2008)	-	-	72 dB(A)
Machine Sound Power Level (ISO 6395:2008)	-	-	116 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*	-	-	72 dB(A)
Machine Sound Power Level (ISO 6395:2008)*	-	-	114 dB(A)
Note (1)	-	-	*Sound suppression equipped
Note (2)	-	-	The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (3)	-	-	The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (4)	-	-	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.
Dimensions (Approximate) - Standard Lift Linkage
Ground to Top of ROPS	-	-	17.2 ft
Ground to Top of Exhaust Stacks	-	-	16.6 ft
Ground to Top of Hood	-	-	12.7 ft
Ground to Bumper Clearance	-	-	3.5 ft
Rear Axle - Centerline to Bumper	-	-	12.5 ft
Front Axle Centerline to Bucket Tip	-	-	15.4 ft
Wheel Base	-	-	15.1 ft
Maximum Overall Length	-	-	42.9 ft
Ground to Lower Hitch Clearance	-	-	2 ft
Ground to Center of Front Axle	-	-	4.2 ft
Clearance at Maximum Lift	-	-	7.2 ft
Rack Back Angle at Ground Level	-	-	40.4°
Rack Back Angle at Carry	-	-	48.8°
B-Pin Height - Maximum Lift	-	-	19.7 ft
Maximum Overall Height - Bucket Raised	-	-	27.2 ft
Rack Angle at Maximum Lift	-	-	63.7°
Dump Angle at Maximum Lift	-	-	45°
Reach - Maximum Lift	-	-	7.2 ft
Note	-	-	Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires.
Dimensions (Approximate) - High Lift Linkage
Ground to Top of ROPS	-	-	17.2 ft
Ground to Top of Exhaust Stacks	-	-	16.6 ft
Ground to Top of Hood	-	-	12.7 ft
Ground to Bumper Clearance	-	-	3.5 ft
Rear Axle - Centerline to Bumper	-	-	12.5 ft
Front Axle Centerline to Bucket Tip	-	-	17.8 ft
Wheel Base	-	-	15.1 ft
Maximum Overall Length	-	-	45.3 ft
Ground to Lower Hitch Clearance	-	-	2 ft
Ground to Center of Front Axle	-	-	4.2 ft
Clearance at Maximum Lift	-	-	14.8 ft
Rack Back Angle at Ground Level	-	-	39.9°
Rack Back Angle at Carry	-	-	49.3°
B-Pin Height - Maximum Lift	-	-	21.2 ft
Maximum Overall Height - Bucket Raised	-	-	28.7 ft
Rack Angle at Maximum Lift	-	-	60.6°
Dump Angle at Maximum Lift	-	-	51°
Reach - Maximum Lift	-	-	8.5 ft
Note	-	-	Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires.

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988 GC Wheel Loader

950 GC Wheel Loader | Front Loader

990 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

Weights

Buckets

Sound

Dimensions

Weights and Operating Specifications

Hydraulic System

Engine - Tier 4 Final/Stage IV

Sound Performance - Tier 2

Dimensions (Approximate) - Standard Lift Linkage

Dimensions (Approximate) - High Lift Linkage

Earthmoving

Parts & Service

Power Systems

Technology

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