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Metric | Imperial
990 Wheel Loader
Large Wheel Loaders
990
Change product
986 Wheel Loader
Large Wheel Loaders
986
Change product
987 Wheel Loader
Large Wheel Loaders
987
Change product
Engine Expand Collapse
Engine Power - ISO 14396:2002
786 hp 586 kW
449 hp 335 kW
449 hp 355 kW
Engine Model
Cat® C27
Cat® C15
Cat® C15
Emissions
Option 1 - U.S. EPA Tier 4 Final/EU Stage V
Rated Speed
1800 r/min 1800 r/min
2000
2000 rpm
Gross Power - SAE J1995:2014
801 hp 597 kW
456 hp 340 kW
456 hp 340 kW
Net Power - SAE J1349:2011 - Standard Ambient
732 hp 546 kW
Net Power - SAE J1349:2011 - High Ambient
681 hp 508 kW
Emissions
Option 1 - U.S. EPA Tier 4 Final/EU Stage V
Rated Speed
1800 r/min 1800 r/min
2000
2000 rpm
Engine Power - ISO 14396:2002
786 hp 586 kW
449 hp 335 kW
449 hp 355 kW
Gross Power - SAE J1995:2014
801 hp 597 kW
456 hp 340 kW
456 hp 340 kW
Net Power - SAE J1349:2011 - Standard Ambient
732 hp 546 kW
Net Power - SAE J1349:2011 - High Ambient
681 hp 508 kW
Bore
5.4 in 137.2 mm
5.4 in 137 mm
5.4 in 137 mm
Stroke
6 in 152.4 mm
6.75 in 171.5 mm
6.75 in 171.5 mm
Displacement
1649.5 in³ 27.03 l
927 in² 15.2 l
927 in³ 15.2 l
Peak Torque - 1,200 rpm
2624 lb/ft 3557 N·m
Torque Rise
18 % 18 %
16%
16%
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.
  • All dimensions are approximate.
  • Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
Travel speeds based on 35/65-R33 tires.
Transmission Type
Cat planetary power shift
Cat planetary power shift
Cat planetary power shift
Forward - 1
4.6 mile/h 7.4 km/h
5 mile/h 7.3 km/h
5 mile/h 7.3 km/h
Forward - 2
8.2 mile/h 13.2 km/h
8 mile/h 12.2 km/h
8 mile/h 12.2 km/h
Forward - 3
14.5 mile/h 23.3 km/h
Reverse - 1
5.1 mile/h 8.15 km/h
5 mile/h 7.6 km/h
5 mile/h 7.6 km/h
Reverse - 2
9.1 mile/h 14.6 km/h
8 mile/h 13.6 km/h
8 mile/h 13.6 km/h
Reverse - 3
16 mile/h 25.7 km/h
Direct Drive - Forward 1
Lock-up disabled
Lock-up disabled
Direct Drive - Forward 2
8.2 mile/h 13.2 km/h
8 mile/h 12.7 km/h
8 mile/h 12.7 km/h
Direct Drive - Forward 3
14.5 mile/h 23.3 km/h
14 mile/h 22 km/h
14 mile/h 22 km/h
Direct Drive - Reverse 1
5.1 mile/h 8.15 km/h
Lock-up disabled
Direct Drive - Reverse 2
9.1 mile/h 14.6 km/h
9 mile/h 14.1 km/h
9 mile/h 14.1 km/h
Direct Drive - Reverse 3
16 mile/h 25.7 km/h
16 mile/h 25 km/h
16 mile/h 25 km/h
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.
  • All dimensions are approximate.
  • Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
Travel speeds based on 35/65-R33 tires.
Operating Weight - Standard
178,517 lb 80974 kg
97785 lb 44355 kg
Bucket Capacity Range
8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
5.0-10.3 m³ (6.5-13.5 yd³)
6.4-9.6 m3 (8.3-12.5 yd3)
Rated Payload - Standard
17.5 ton (US) 15.9 t
Rated Payload - High Lift
17.5 ton (US) 15.9 t
Cat Truck Match - Standard
773-775
770/735/740/745
Cat Truck Match - High Lift
775-777
772/773
772/773/707
Lift/Tilt System - Circuit
Positive flow control
Load Sense
EH - Load Sense
Lift/Tilt System
Variable displacement piston
Maximum Flow at 1,800 rpm
240 gpm 910 L/min
Relief Valve Setting - Lift/Tilt
4786 psi 33000 kPa
4050 psi 27900 kPa
4598 psi 31700 kPa
Cylinders, Double Acting - Lift, Bore and Stroke
235 mm × 1287 mm (9.3 in × 50.7 in)
190 mm x 1216 mm (7.5 in x 48 in)
Cylinders, Double Acting - Tilt, Bore and Stroke
292.1 mm × 820 mm (11.5 in × 32.3 in)
170 mm x 722 mm (6.7 in x 28.4 in)
Pilot System
Open loop and pressure reducing
Variable displacement piston
Pilot Relief Setting
507 psi 3500 kPa
Rack Back
4.3 s 4.3 s
4.5 s 4.5 s
3.8 s 3.8 s
Raise
8.6 s 8.6 s
9 s 9 s
7.5 s 7.5 s
Dump
2.9 s 2.9 s
3.5 s 3.5 s
3 s 3 s
Lower
3.7 s 3.7 s
5.2 s 5.2 s
Lower Float Down
3.7 s 3.7 s
4.3 s 4.3 s
4.6 s 4.6 s
Total Hydraulic Cycle Time - Empty Bucket
13.8 s 13.8 s
18.9 s 18.9 s
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 1,400 rpm
96.2 gpm 364 L/min
52 gpm 200 L/min
Relief Valve Setting - Steering
5004 psi 34500 kPa
4000 psi 27600 kPa
Total Steering Angle
70°
70°
70°
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 2.7 kg (5.9 lb) of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 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 R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134y (Global Warming Potential = 0.501), the system contains 1.51 kg (3.3 lb) of refrigerant, which has a CO2 equivalent of 0.001 metric tonnes (0.001 tons).
Front
Fixed
Fixed
Fixed
Rear
Trunnion
Trunnion
Trunnion
Oscillation Angle
8.5°
±12.5°
+/-12.5°
Brakes
ISO 3450: 2011
ISO 3450:2011
ISO 3450:2011
Fuel Tank
281 gal (US) 1064 l
141 gal (US) 535 l
141 gal (US) 535 l
Cooling System
54.9 gal (US) 208 l
26 gal (US) 100 l
Engine Crankcase
20 gal (US) 75.7 l
9 gal (US) 34 l
Transmission
29.1 gal (US) 110 l
20 gal (US) 75 l
20 gal (US) 75 l
Differential - Final Drives - Front
71.6 gal (US) 271 l
49 gal (US) 186 l
Differential - Final Drives - Rear
68.9 gal (US) 261 l
45 gal (US) 170 l
Hydraulic System Factory Fill
210 gal (US) 795 l
87 gal (US) 330 l
94 gal (US) 355 l
Hydraulic Tank - Implement and Hydraulic Fan
68.9 gal (US) 261 l
Hydraulic Tank - Steering and Braking
34.9 gal (US) 132 l
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.
  • All dimensions are approximate.
  • Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
Travel speeds based on 35/65-R33 tires.
Operator Sound Pressure Level (ISO 6396:2008)
72 dB(A) 72 dB(A)
73 dB(A) 73 dB(A)
73 dB(A) 73 dB(A)
Machine Sound Power Level (ISO 6395:2008)
116 dB(A) 116 dB(A)
113 dB(A) 113 dB(A)
113 dB(A) 113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A) 72 dB(A)
72 dB(A) 72 dB(A)
72 dB(A) 72 dB(A)
Machine Sound Power Level (ISO 6395:2008)*
114 dB(A) 114 dB(A)
Note (1)
*Sound suppression equipped
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 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.
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.
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)
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.
Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions.
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.
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.
Operator Sound Pressure Level (ISO 6396:2008)
72 dB(A) 72 dB(A)
73 dB(A) 73 dB(A)
73 dB(A) 73 dB(A)
Machine Sound Power Level (ISO 6395:2008)
116 dB(A) 116 dB(A)
113 dB(A) 113 dB(A)
113 dB(A) 113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A) 72 dB(A)
72 dB(A) 72 dB(A)
72 dB(A) 72 dB(A)
Machine Sound Power Level (ISO 6395:2008)*
114 dB(A) 114 dB(A)
Note (1)
*Sound suppression equipped
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 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.
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.
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)
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.
Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions.
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.
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.
Ground to Top of ROPS
17.2 ft 5240 mm
13.5 ft 4100 mm
13.5 ft 4100 mm
Ground to Top of Exhaust Stacks
16.6 ft 5049 mm
13.3 ft 4060 mm
13.3 ft 4060 mm
Ground to Top of Hood
12.7 ft 3862 mm
10.7 ft 3270 mm
10.7 ft 3270 mm
Ground to Bumper Clearance
3.5 ft 1079 mm
Rear Axle - Centerline to Bumper
12.5 ft 3795 mm
10.3 ft 3132 mm
10.3 ft 3132 mm
Front Axle Centerline to Bucket Tip
15.4 ft 4689 mm
13.8 ft 4201 mm
14.1 ft 4304 mm
Wheel Base
15.1 ft 4600 mm
12.5 ft 3810 mm
12.5 ft 3810 mm
Maximum Overall Length
42.9 ft 13084 mm
36.6 ft 11143 mm
36.7 ft 11 199 mm
Ground to Lower Hitch Clearance
2.0 ft 596 mm
1.5 ft 459 mm
1.5 ft 459 mm
Ground to Center of Front Axle
4.2 ft 1290 mm
3.2 ft 978 mm
3.2 ft 978 mm
Clearance at Maximum Lift
7.2 ft 4044 mm
10.1 ft 3079 mm
Rack Back Angle at Ground Level
40.4°
40 degrees
Rack Back Angle at Carry
48.8°
49 degrees
B-Pin Height - Maximum Lift
19.7 ft 6009 mm
16.1 ft 4912 mm
16.1 ft 4914 mm
Maximum Overall Height - Bucket Raised
27.2 ft 8281 mm
22.4 ft 6817 mm
22.9 ft 6974 mm
Rack Angle at Maximum Lift
63.7°
62 degrees
Dump Angle at Maximum Lift
45°
46 degrees
Reach - Maximum Lift
7.2 ft 2194 mm
7.1 ft 2175 mm
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.
  • All dimensions are approximate.
  • Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
Travel speeds based on 35/65-R33 tires.
Ground to Top of ROPS
17.2 ft 5240 mm
13.5 ft 4100 mm
13.5 ft 4100 mm
Ground to Top of Exhaust Stacks
16.6 ft 5049 mm
13.3 ft 4060 mm
13.3 ft 4060 mm
Ground to Top of Hood
12.7 ft 3862 mm
10.7 ft 3270 mm
10.7 ft 3270 mm
Ground to Bumper Clearance
3.5 ft 1079 mm
Rear Axle - Centerline to Bumper
12.5 ft 3795 mm
10.3 ft 3132 mm
10.3 ft 3132 mm
Front Axle Centerline to Bucket Tip
15.4 ft 4689 mm
13.8 ft 4201 mm
14.1 ft 4304 mm
Wheel Base
15.1 ft 4600 mm
12.5 ft 3810 mm
12.5 ft 3810 mm
Maximum Overall Length
42.9 ft 13084 mm
36.6 ft 11143 mm
36.7 ft 11 199 mm
Ground to Lower Hitch Clearance
2.0 ft 596 mm
1.5 ft 459 mm
1.5 ft 459 mm
Ground to Center of Front Axle
4.2 ft 1290 mm
3.2 ft 978 mm
3.2 ft 978 mm
Clearance at Maximum Lift
7.2 ft 4044 mm
10.1 ft 3079 mm
Rack Back Angle at Ground Level
40.4°
40 degrees
Rack Back Angle at Carry
48.8°
49 degrees
B-Pin Height - Maximum Lift
19.7 ft 6009 mm
16.1 ft 4912 mm
16.1 ft 4914 mm
Maximum Overall Height - Bucket Raised
27.2 ft 8281 mm
22.4 ft 6817 mm
22.9 ft 6974 mm
Rack Angle at Maximum Lift
63.7°
62 degrees
Dump Angle at Maximum Lift
45°
46 degrees
Reach - Maximum Lift
7.2 ft 2194 mm
7.1 ft 2175 mm
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.
  • All dimensions are approximate.
  • Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
Travel speeds based on 35/65-R33 tires.