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Caterpillar 990K Millyard Arrangement Wheel Loader Specs

Axles

Caterpillar 990K Millyard Arrangement Wheel Loader Axles specifications
Front Fixed
Oscillation Angle 8.5 degrees
Rear Trunnion

Brakes

Caterpillar 990K Millyard Arrangement Wheel Loader Brakes specifications
Brakes SAE J1473 OCT90, ISO 3450:1992

Dimensions - Millyard Linkage - Approximate

Caterpillar 990K Millyard Arrangement Wheel Loader Dimensions - Millyard Linkage - Approximate specifications
Dump Angle At Maximum Lift 29.3 degrees
Fork Height At Maximum Lift 18.30 ft (5.58 m)
Fork Height With Level Arms 8.90 ft (2.71 m)
Fork Top Clamp Opening 12.30 ft (3.75 m)
Front Axle Centerline To Fork Tip 17.60 ft (5.36 m)
Ground To Bumper Clearance 3.10 ft (0.94 m)
Ground To Center Of Front Axle 3.90 ft (1.19 m)
Ground To Lower Hitch Clearance 2.00 ft (0.61 m)
Ground To Top Of Exhaust Stacks 16.60 ft (5.06 m)
Ground To Top Of Hood 12.70 ft (3.87 m)
Ground To Top Of Rops 17.20 ft (5.24 m)
Hinge Pin Height At Maximum Lift 19.40 ft (5.91 m)
Maximum Overall Length 45.40 ft (13.84 m)
Rear Axle - Centerline To Bumper 12.50 ft (3.81 m)
Wheel Base 15.10 ft (4.60 m)

Engine

Caterpillar 990K Millyard Arrangement Wheel Loader Engine specifications
Bore 5.40 in (13.72 cm)
Displacement 1,649.50 cu in (27,030.52 cu cm)
Emissions U.S. EPA Tier 4 Final or Tier 2 equivalent
Engine Model Cat C27 ACERT
Gross - Iso 14396 752.00 hp (560.78 kw)
Net Power 699.00 hp (521.25 kw)
Net Power - Sae J1349 699.00 hp (521.25 kw)
Peak Torque - 1,200 Rpm 2,624.00 lbs ft (3,557.62 nm)
Rated Speed 1800 rpm
Rated Speed - Gross - Iso 14396 752.00 hp (560.78 kw)
Rated Speed - Gross - Sae J1995 766.00 hp (571.22 kw)
Rated Speed - Net Power - Sae J1349 - High Ambient 648.00 hp (483.22 kw)
Rated Speed - Net Power - Sae J1349 - Standard Ambient 699.00 hp (521.25 kw)
Stroke 6.00 in (15.24 cm)
Torque Rise 18 %

Forks

Caterpillar 990K Millyard Arrangement Wheel Loader Forks specifications
Fork End Area 78 ft2

Hydraulic Cycle Times

Caterpillar 990K Millyard Arrangement Wheel Loader Hydraulic Cycle Times specifications
Dump 2.9 s
Lower 3.7 s
Lower Float Down 3.6 s
Rack Back 4.8 s
Raise 9.4 s

Hydraulic System - Lift/Tilt

Caterpillar 990K Millyard Arrangement Wheel Loader Hydraulic System - Lift/Tilt specifications
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)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit Positive flow control
Maximum Flow At 1,800 Rpm (1) 216.00 gpm (817.56 lpm)
Maximum Flow At 1,800 Rpm (2) 22.20 gpm (84.03 lpm)
Pilot System Open loop and pressure reducing
Relief Valve Setting 507 psi
Relief Valve Setting - Lift/Tilt 4786 psi

Hydraulic System - Steering

Caterpillar 990K Millyard Arrangement Wheel Loader Hydraulic System - Steering specifications
Maximum Flow At 1,400 Rpm 94.50 gpm (357.68 lpm)
Relief Valve Setting - Steering 4641 psi
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement

Operating Specifications

Caterpillar 990K Millyard Arrangement Wheel Loader Operating Specifications specifications
Tipping Load - Articulated 35 Degrees 81,896.00 lbs (37,147.45 kg)
Tipping Load - Straight 92,990.00 lbs (42,179.61 kg)

Operational

Caterpillar 990K Millyard Arrangement Wheel Loader Operational specifications
Operating Weight 202,398.00 lbs (91,806.30 kg)

Service Refill Capacities

Caterpillar 990K Millyard Arrangement Wheel Loader Service Refill Capacities specifications
Cooling System 54.90 gal (207.80 l)
Differential - Final Drives - Front 71.60 gal (271.01 l)
Differential - Final Drives - Rear 68.90 gal (260.79 l)
Engine Crankcase 20.00 gal (75.70 l)
Fuel Tank 294.30 gal (1,113.93 l)
Hydraulic System Factory Fill 210.00 gal (794.85 l)
Hydraulic Tank - Implement And Hydraulic Fan 68.90 gal (260.79 l)
Hydraulic Tank - Steering And Braking 34.90 gal (132.10 l)
Transmission 29.10 gal (110.14 l)

Sound Performance - Standard

Caterpillar 990K Millyard Arrangement Wheel Loader Sound Performance - Standard specifications
Machine Sound Level (Iso 6395:2008) 115 dB(A)
Operator Sound Level (Iso 6396:2008) 69 dB(A)

Sound Performance - Suppression

Caterpillar 990K Millyard Arrangement Wheel Loader Sound Performance - Suppression specifications
Machine Sound Level (Iso 6395:2008) 113 dB(A)
Operator Sound Level (Iso 6396:2008) 69 dB(A)

Transmission

Caterpillar 990K Millyard Arrangement Wheel Loader Transmission specifications
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 8.50 mph (13.68 kph)
Direct Drive - Forward 3 15.20 mph (24.46 kph)
Direct Drive - Reverse 1 5.40 mph (8.69 kph)
Direct Drive - Reverse 2 9.60 mph (15.45 kph)
Direct Drive - Reverse 3 16.40 mph (26.39 kph)
Forward - 1 4.50 mph (7.24 kph)
Forward - 2 8.30 mph (13.36 kph)
Forward - 3 14.20 mph (22.85 kph)
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Reverse - 1 4.90 mph (7.89 kph)
Reverse - 2 9.10 mph (14.64 kph)
Reverse - 3 15.50 mph (24.94 kph)
Transmission Type Cat planetary power shift
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