CAT 990K Steel Mill Arrangement Wheel Loader

Engine Details

Net Power 699 hp (521.3 kw)
Rated Speed 1800 rpm
Displacement 1649.5 cu in (27.1 L)
Torque Rise 18 %
Bore 5.4 in (137.2 mm)
Stroke 6 in (152.4 mm)
Emissions U.S. EPA Tier 4 Final/Tier 2 Equivalent
Net Power – Sae J1349 699 hp (521.3 kw)
Engine Model Cat C27 ACERT
Peak Torque – 1,200 Rpm 2624 lb ft (3557.7 Nm)
Gross – Iso 14396 752 hp (560.8 kw)
Rated Speed – Gross – Iso 14396 752 hp (560.8 kw)
Rated Speed – Gross – Sae J1995 766 hp (571.3 kw)
Rated Speed – Net Power – Sae J1349 – Standard Ambient 699 hp (521.3 kw)
Rated Speed – Net Power – Sae J1349 – High Ambient 648 hp (483.3 kw)

Operational Specs

Operating Weight 204693 lb (92847.2 kg)

Transmission

Transmission Type Cat planetary power shift
Forward – 1 4.5 mph (7.3 km/h)
Forward – 2 8.3 mph (13.4 km/h)
Forward – 3 14.2 mph (22.9 km/h)
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Reverse – 1 4.9 mph (7.9 km/h)
Reverse – 2 9.1 mph (14.7 km/h)
Direct Drive – Forward 3 15.2 mph (24.5 km/h)
Direct Drive – Reverse 3 16.4 mph (26.4 km/h)
Direct Drive – Forward 2 8.5 mph (13.7 km/h)
Direct Drive – Reverse 2 9.6 mph (15.5 km/h)
Direct Drive – Forward 1 Lock-up disabled
Direct Drive – Reverse 1 5.4 mph (8.7 km/h)
Reverse – 3 15.5 mph (25 km/h)

Buckets

Bucket Capacities 8.6-9.2 m3 (11.2-12.0 yd3)

Axles

Front Fixed
Rear Trunnion
Oscillation Angle 8.5 degrees

Brakes

Brakes SAE J1473 OCT90, ISO 3450:1992

Operating Specifications

Bucket Capacity Range 8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Cat Truck Match – Standard 773-775
Rated Payload 38580.9 lb (17500 kg)
Rated Payload – Standard 38580.9 lb (17500 kg)

Service Refill Capacities

Cooling System 54.9 gal (207.9 L)
Fuel Tank Capacity 294.3 gal (1114.1 L)
Engine Crankcase 20 gal (75.8 L)
Transmission 29.1 gal (110.2 L)
Differential – Final Drives – Front 71.6 gal (271.1 L)
Differential – Final Drives – Rear 68.9 gal (260.9 L)
Hydraulic System Factory Fill 210 gal (795 L)
Hydraulic Tank – Implement And Hydraulic Fan 68.9 gal (260.9 L)
Hydraulic Tank – Steering And Braking 34.9 gal (132.2 L)

Hydraulic Cycle Times

Raise 9.4 s
Dump 2.9 s
Lower Float Down 3.6 s
Rack Back 4.8 s
Lower 3.7 s
Total Hydraulic Cycle Time – Empty Bucket 15.9 s

Hydraulic System – Lift/Tilt

Lift/Tilt System – Circuit Positive flow control
Relief Valve Setting – Lift/Tilt 4786 psi
Cylinders, Double Acting – Lift, Bore And Stroke 254 mm 1264 mm (10.0 in 49.8 in)
Cylinders, Double Acting – Tilt, Bore And Stroke 317.5 mm 819 mm (12.5 in 32.2 in)
Pilot System Open loop and pressure reducing
Lift/Tilt System Variable displacement piston
Relief Valve Setting 507 psi
Maximum Flow At 1,800 Rpm (1) 22.2 gal/min
Maximum Flow At 1,800 Rpm (2) 216 gal/min

Hydraulic System – Steering

Steering System – Circuit Pilot, load sensing
Steering System – Pump Piston, variable displacement
Relief Valve Setting – Steering 4641 psi
Maximum Flow At 1,400 Rpm 94.5 gal/min

Sound Performance – Standard

Machine Sound Level (Iso 6395:2008) 115 dB(A)
Operator Sound Level (Iso 6396:2008) 69 dB(A)

Sound Performance – Suppression

Operator Sound Level (Iso 6396:2008) 69 dB(A)
Machine Sound Level (Iso 6395:2008) 113 dB(A)

Dimensions – Standard Lift – Approximate

Ground To Top Of ROPS 17.2 ft in (5.3 m)
Ground To Top Of Exhaust Stacks 16.6 ft in (5.1 m)
Ground To Top Of Hood 12.7 ft in (3.9 m)
Ground To Bumper Clearance 3.5 ft in (1.1 m)
Rear Axle – Centerline To Bumper 12.5 ft in (3.9 m)
Front Axle Centerline To Bucket Tip 14.2 ft in (4.4 m)
Wheel Base 15.1 ft in (4.7 m)
Maximum Overall Length 41.8 ft in (12.8 m)
Ground To Lower Hitch Clearance 2 ft in (0.7 m)
Clearance At Maximum Lift 13.4 ft in (4.1 m)
Rack Back Angle – Ground Level 40.4 degrees
Rack Back Angle – Carry 48.8 degrees
B-Pin Height – Maximum Lift 19.2 ft in (5.9 m)
Maximum Overall Height – Bucket Raised 27 ft in (8.3 m)
Rack Angle At Maximum Lift 63.7 degrees
Dump Angle At Maximum Lift 47.4 degrees
Reach – Maximum Lift 7.2 ft in (2.2 m)
Ground To Center Of Front Axle 3.9 ft in (1.2 m)
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