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Engine
	990 Wheel Loader View Product	992 Wheel Loader View Product Remove	988 Wheel Loader View Product Remove
Engine Power - ISO 14396:2002	752 hp	-	580 hp
Engine Model	Cat® C27	Cat® C32B	Cat® C18
Emissions	Option 2 - Emits equivalent to U.S. EPA Tier 2	U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent	-
Rated Speed	1800 r/min	1750 rpm	1700/rpm
Gross Power - SAE J1995:2014	766 hp	-	588 hp
Net Power - SAE J1349:2011 - Standard Ambient	699 hp	-	-
Net Power - SAE J1349:2011 - High Ambient	648 hp	-	-
Bore	5.4 in	5.7 in	5.7 in
Stroke	6 in	6.4 in	7.2 in
Displacement	1649.5 in³	1963.5 in³	1105 in³
Peak Torque - 1,200 rpm	2624 lb/ft	-	2104 lbf·ft
Torque Rise	18 %	-	58 %
Note	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.	-	-
Net Power	-	814 hp	-
Gross Power - SAE J1995 at 1,750 rpm - Tier 4/HRC (Highly Regulated Country) - Standard	-	900 hp	-
Gross Power - SAE J1995 at 1,750 rpm - Tier 4/HRC - High Ambient	-	937 hp	-
Gross Power - SAE J1995 at 1,750 rpm - Tier 2/LRC (Less Regulated Country) - Standard	-	907 hp	-
Gross Power - SAE J1995 at 1,750 rpm - Tier 2/LRC - High Ambient	-	944 hp	-
Gross Power - ISO 14396 at 1,750 rpm - Tier 4/HRC - Standard	-	884 hp	-
Gross Power - ISO 14396 at 1,750 rpm - Tier 4/HRC - High Ambient	-	921 hp	-
Gross Power - ISO 14396 at 1,750 rpm - Tier 2/LRC - Standard	-	893 hp	-
Gross Power - ISO 14396 at 1,750 rpm - Tier 2/LRC - High Ambient	-	931 hp	-
Net Power - SAE J1349 at 1,750 rpm - Tier 4/HRC - Standard	-	814 hp	-
Net Power - SAE J1349 at 1,750 rpm - Tier 4/HRC - High Ambient	-	814 hp	-
Net Power - SAE J1349 at 1,750 rpm - Tier 2/LRC - Standard	-	823 hp	-
Net Power - SAE J1349 at 1,750 rpm - Tier 2/LRC - High Ambient	-	823 hp	-
Peak Torque - SAE J1995 - Tier 4/HRC - Standard @ 1,200 rpm	-	3514 ft·lbf	-
Peak Torque - SAE J1995 - Tier 4/HRC - High Ambient @ 1,300 rpm	-	3555 ft·lbf	-
Peak Torque - SAE J1995 - Tier 2/LRC - Standard @ 1,200 rpm	-	3537 ft·lbf	-
Peak Torque - SAE J1995 - Tier 2/LRC - High Ambient @ 1,350 rpm	-	3570 ft·lbf	-
Peak Power Speed	-	-	1500/rpm
Net Power - SAE J1349:2011	-	-	538 hp
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 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.
Operating Specifications
Operating Weight - Standard	178517 lb	-	-
Bucket Capacity Range	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)	11.5-24.5 m³ (15-32 yd³)	4.7-13 m3 (6.2-17 yd3)
Rated Payload - Standard	17.5 ton (US)	25.5 ton (US)	-
Rated Payload - High Lift	17.5 ton (US)	22.5 ton (US)	-
Cat Truck Match - Standard	773-775	775/777	770 - 772
Cat Truck Match - High Lift	775-777	785	773 - 775
Operating Weight	-	233430 lb	112574 lb
Rated Payload - Standard (Material Handler)	-	30 ton (US)	-
Rated Payload - High Lift (Material Handler)	-	27 ton (US)	-
Rated Payload - Quarry Face	-	-	12.5 t
Rated Payload - Loose Material	-	-	16 t
Transmission
Transmission Type	Cat planetary power shift	Cat Planetary Powershift	Cat planetary powershift
Forward - 1	4.6 mile/h	4.3 mile/h	4 mile/h
Forward - 2	8.2 mile/h	7.4 mile/h	7.2 mile/h
Forward - 3	14.5 mile/h	12.7 mile/h	12.7 mile/h
Reverse - 1	5.1 mile/h	4.7 mile/h	4.7 mile/h
Reverse - 2	9.1 mile/h	8.1 mile/h	8.3 mile/h
Reverse - 3	16 mile/h	13.9 mile/h	14.4 mile/h
Direct Drive - Forward 1	Lock-up disabled	Disabled	Lock-up disabled
Direct Drive - Forward 2	8.2 mile/h	8 mile/h	7.8 mile/h
Direct Drive - Forward 3	14.5 mile/h	14 mile/h	13.9 mile/h
Direct Drive - Reverse 1	5.1 mile/h	5 mile/h	5 mile/h
Direct Drive - Reverse 2	9.1 mile/h	8.8 mile/h	8.9 mile/h
Direct Drive - Reverse 3	16 mile/h	15.3 mile/h	15.8 mile/h
Note	Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.	-	-
Forward - 4	-	-	21.6 mile/h
Direct Drive - Forward 4	-	-	24.4 mile/h
Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit	Positive flow control	Positive Flow Control	EH- Positive Flow Control, Flow Sharing
Lift/Tilt System	Variable displacement piston	-	-
Maximum Flow at 1,800 rpm	240 gpm	-	-
Relief Valve Setting - Lift/Tilt	4786 psi	5000 psi	4757 psi
Cylinders, Double Acting - Lift, Bore and Stroke	235 mm × 1287 mm (9.3 in × 50.7 in)	-	210 mm × 1050 mm (8.7 in × 41.3 in)
Cylinders, Double Acting - Tilt, Bore and Stroke	292.1 mm × 820 mm (11.5 in × 32.3 in)	-	266 mm × 685 mm (8.7 in × 27 in)
Pilot System	Open loop and pressure reducing	-	Variable displacement piston
Pilot Relief Setting	507 psi	-	-
Lift/Tilt System - Pump	-	Variable Displacement Piston	Variable displacement piston
Maximum Flow at 2,165 rpm	-	250 gpm	-
Lift Cylinder - Bore	-	9.3 in	-
Lift Cylinder - Stroke	-	63.5 in	-
Tilt Cylinder - Bore	-	11.5 in	-
Tilt Cylinder - Stroke	-	41.5 in	-
Maximum Flow at 1,400-1,860 rpm	-	-	153 gpm
Relief Valve Setting - Main	-	-	551 psi
Hydraulic Cycle Times
Rack Back	4.3 s	2.3 s	-
Raise	8.6 s	9 s	-
Dump	2.9 s	2.6 s	-
Lower	3.7 s	-	-
Lower Float Down	3.7 s	-	-
Total Hydraulic Cycle Time - Empty Bucket	13.8 s	-	-
Rack Back - High Lift	-	2.3 s	-
Raise - High Lift	-	9 s	-
Dump - High Lift	-	2.6 s	-
Float Down	-	3.2 s	-
Float Down - High Lift	-	3.2 s	-
Total Hydraulic Cycle Time	-	17.1 s	-
Hydraulic System - Steering
Steering System - Circuit	Pilot, load sensing	Pilot, Load Sensing	Pilot, load sensing
Steering System - Pump	Piston, variable displacement	Piston, Variable Displacement	Piston, variable displacement
Maximum Flow at 1,400 rpm	96.2 gpm	-	-
Relief Valve Setting - Steering	5004 psi	-	4351 psi
Total Steering Angle	70°	80°	86 °
Maximum Flow at 1,400-1,850 rpm	-	70 gpm	-
Steering Cut Off Pressure	-	4500 psi	-
Steering Cycle Times - Low Idle	-	4.9 s	5.6 s
Steering Cycle Times - High Idle	-	3.1 s	3.4 s
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 c	-	• 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	8.5°	±9°	13 °
Brakes
Brakes	ISO 3450: 2011	ISO 3450:2011	ISO 3450:2011
Service Refill Capacities
Fuel Tank	281 gal (US)	385.7 gal (US)	188 gal (US)
Cooling System	54.9 gal (US)	-	31.7 gal (US)
Engine Crankcase	20 gal (US)	-	-
Transmission	29.1 gal (US)	51.5 gal (US)	24.3 gal (US)
Differential - Final Drives - Front	71.6 gal (US)	96.4 gal (US)	49.1 gal (US)
Differential - Final Drives - Rear	68.9 gal (US)	96.4 gal (US)	49.1 gal (US)
Hydraulic System Factory Fill	210 gal (US)	-	125.5 gal (US)
Hydraulic Tank - Implement and Hydraulic Fan	68.9 gal (US)	-	-
Hydraulic Tank - Steering and Braking	34.9 gal (US)	-	-
Note	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	-	• 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
Cooling Systems	-	59.4 gal (US)	-
Crankcase	-	31.7 gal (US)	15.9 gal (US)
Hydraulic System Factory Fill (Implement)	-	104.1 gal (US)	-
Hydraulic Tank - Implement	-	60.2 gal (US)	-
Hydraulic Factory Fill (Steering)	-	32.5 gal (US)	-
Hydraulic Tank (Steering Tank Only)	-	26.3 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)
Hydraulic System - Tank Only	-	-	63.4 gal (US)
Sound Performance - Tier 4 Final / Stage V
Operator Sound Pressure Level (ISO 6396:2008)	72 dB(A)	-	73 dB(A)
Machine Sound Power Level (ISO 6395:2008)	116 dB(A)	-	111 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*	72 dB(A)	-	72 dB(A)
Machine Sound Power Level (ISO 6395:2008)*	114 dB(A)	-	-
Note (1)	*Sound suppression equipped	-	* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”
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.	-	** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.
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.	-	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)	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.	-	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.
Machine Sound Power Level (ISO 6395:2008)**	-	-	109 dB(A)
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 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	-	13.8 ft
Ground to Top of Exhaust Stacks	16.6 ft	-	14.8 ft
Ground to Top of Hood	12.7 ft	-	10.9 ft
Ground to Bumper Clearance	3.5 ft	-	-
Rear Axle - Centerline to Bumper	12.5 ft	-	10.5 ft
Front Axle Centerline to Bucket Tip	15.4 ft	-	14 ft
Wheel Base	15.1 ft	-	14.9 ft
Maximum Overall Length	42.9 ft	-	39.3 ft
Ground to Lower Hitch Clearance	2 ft	-	1.9 ft
Ground to Center of Front Axle	4.2 ft	-	-
Clearance at Maximum Lift	7.2 ft	-	11.9 ft
Rack Back Angle at Ground Level	40.4°	-	-
Rack Back Angle at Carry	48.8°	-	-
B-Pin Height - Maximum Lift	19.7 ft	-	18 ft
Maximum Overall Height - Bucket Raised	27.2 ft	-	24.5 ft
Rack Angle at Maximum Lift	63.7°	-	-
Dump Angle at Maximum Lift	45°	-	-
Reach - Maximum Lift	7.2 ft	-	6.5 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	-	13.8 ft
Ground to Top of Exhaust Stacks	16.6 ft	-	14.8 ft
Ground to Top of Hood	12.7 ft	-	10.9 ft
Ground to Bumper Clearance	3.5 ft	-	-
Rear Axle - Centerline to Bumper	12.5 ft	-	10.5 ft
Front Axle Centerline to Bucket Tip	17.8 ft	-	15.3 ft
Wheel Base	15.1 ft	-	14.9 ft
Maximum Overall Length	45.3 ft	-	40.7 ft
Ground to Lower Hitch Clearance	2 ft	-	1.9 ft
Ground to Center of Front Axle	4.2 ft	-	-
Clearance at Maximum Lift	14.8 ft	-	13.3 ft
Rack Back Angle at Ground Level	39.9°	-	-
Rack Back Angle at Carry	49.3°	-	-
B-Pin Height - Maximum Lift	21.2 ft	-	19.3 ft
Maximum Overall Height - Bucket Raised	28.7 ft	-	25.8 ft
Rack Angle at Maximum Lift	60.6°	-	-
Dump Angle at Maximum Lift	51°	-	-
Reach - Maximum Lift	8.5 ft	-	6.8 ft
Note	Specifications are calculated with 9.0 m3 (11.8 yd3) rock bucket and Bridgestone 45/65R39 VSDL One Star tires.	-	-
Buckets
Bucket Capacities	-	11.5-24.5 m³ (15-32 yd³)	-
Cooling System
Ambient Capability Hydraulically Driven Demand Fan - Standard	-	109.4 °F	-
Ambient Capability, Hydraulically Driven Demand Fan - High	-	131 °F	-
Sound Performance - Standard
Note	-	Machine Sound Level (ISO 6396:2008) - 116 dB(A)	-
Sound Performance - Suppression
Note	-	Machine Sound Level (ISO 6396:2008) - 113 dB(A)	-
Dimensions - Standard Lift - Approximate
Ground to Top of Exhaust Stacks	-	17 ft	-
Ground to Top of ROPS	-	18.3 ft	-
Ground to Top of Hood	-	13.1 ft	-
Ground to Center of Front Axle	-	4.3 ft	-
Ground to Bumper Clearance	-	3.8 ft	-
Ground to Lower Hitch Clearance	-	2.2 ft	-
Reach - Maximum Lift	-	8.2 ft	-
Clearance at Maximum Lift	-	15.2 ft	-
B-Pin Height - Maximum Lift	-	22.8 ft	-
Maximum Overall Height - Bucket Raised	-	30.8 ft	-
Rear Axle - Centerline to Bumper	-	13.5 ft	-
Tread Width	-	10.83 ft	-
Rack Back Angle - Maximum Lift	-	56.9 degrees	-
Dump Angle at Maximum Lift	-	-49.5 degrees	-
Rack Back Angle - Ground Level	-	40.2 degrees	-
Width - Over Tires - With Bulge	-	14.74 ft	-
Rack Back Angle - Carry	-	48.9 degrees	-
Wheel Base	-	19.3 ft	-
Maximum Overall Length	-	50.8 ft	-
Front Axle Centerline to Bucket Tip	-	18 ft	-
Dimensions - High Lift - Approximate
Tread Width	-	10.83 ft	-
Rack Back Angle - Ground Level	-	42.5 degrees	-
Dump Angle at Maximum Lift	-	-48.1 degrees	-
Rack Back Angle - Maximum Lift	-	56.2 degrees	-
Width - Over Tires - With Bulge	-	14.75 ft	-
Rack Back Angle - Carry	-	51.6 degrees	-
Ground to Top of Exhaust Stacks	-	17 ft	-
Ground to Top of ROPS	-	18.3 ft	-
Ground to Top of Hood	-	13.1 ft	-
Ground to Center of Front Axle	-	4.3 ft	-
Ground to Bumper Clearance	-	3.8 ft	-
Ground to Lower Hitch Clearance	-	2.2 ft	-
Reach - Maximum Lift	-	7.6 ft	-
Clearance at Maximum Lift	-	17.2 ft	-
B-Pin Height - Maximum Lift	-	24.5 ft	-
Maximum Overall Height - Bucket Raised	-	32 ft	-
Rear Axle - Centerline to Bumper	-	13.5 ft	-
Wheel Base	-	19.3 ft	-
Maximum Overall Length	-	51.6 ft	-
Front Axle Centerline to Bucket Tip	-	18.8 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
Operator's Cab
ROPS/FOPS	-	-	ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Sound Performance - Tier 3 / Stage IIIA
Operator Sound Pressure Level (ISO 6396:2008)	-	-	73 dB(A)
Machine Sound Power Level (ISO 6395:2008)	-	-	112 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.

Compare Equipment Go Back

990 Wheel Loader

992 Wheel Loader

988 Wheel Loader

Engine

Operating Specifications

Transmission

Hydraulic System - Lift/Tilt

Hydraulic Cycle Times

Hydraulic System - Steering

Air Conditioning System

Axles

Brakes

Service Refill Capacities

Sound Performance - Tier 4 Final / Stage V

Sound Performance - Tier 2

Dimensions (Approximate) - Standard Lift Linkage

Dimensions (Approximate) - High Lift Linkage

Buckets

Cooling System

Sound Performance - Standard

Sound Performance - Suppression

Dimensions - Standard Lift - Approximate

Dimensions - High Lift - Approximate

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

Operator's Cab

Sound Performance - Tier 3 / Stage IIIA

Earthmoving

Parts & Service

Power Systems

Technology

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