CAT 990K Millyard 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 or 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 202398 lb (91806.2 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)

Axles

Front Fixed
Rear Trunnion
Oscillation Angle 8.5 degrees

Brakes

Brakes SAE J1473 OCT90, ISO 3450:1992

Operating Specifications

Tipping Load – Straight 92990 lb (42179.6 kg)
Tipping Load – Articulated 35 Degrees 81896 lb (37147.5 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

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) 216 gal/min
Maximum Flow At 1,800 Rpm (2) 22.2 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 – Millyard Linkage – 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 3.1 ft in (1 m)
Rear Axle – Centerline To Bumper 12.5 ft in (3.9 m)
Front Axle Centerline To Fork Tip 17.6 ft in (5.4 m)
Wheel Base 15.1 ft in (4.7 m)
Maximum Overall Length 45.4 ft in (13.9 m)
Ground To Lower Hitch Clearance 2 ft in (0.7 m)
Ground To Center Of Front Axle 3.9 ft in (1.2 m)
Fork Height With Level Arms 8.9 ft in (2.8 m)
Fork Top Clamp Opening 12.3 ft in (3.8 m)
Fork Height At Maximum Lift 18.3 ft in (5.6 m)
Hinge Pin Height At Maximum Lift 19.4 ft in (6 m)
Dump Angle At Maximum Lift 29.3 degrees

Forks

Fork End Area 78 ft2 (7.3 m2)
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