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990K Wheel Loader Steel Mill Arrangement

990K Wheel Loader Steel Mill Arrangement

Built to withstand the harshest conditions

Engine

Bore 5.4 in
Displacement 1649.5 in³
Emissions Entspricht EPA Tier 4 Final/Tier 2 (USA)
Engine Model Cat¬ģ C27 ‚ĄĘ
Gross - ISO 14396 752 HP
Net Power 699 HP
Net Power - SAE J1349 699 HP
Peak Torque - 1,200 rpm 2624 lb/ft
Rated Speed 1800 r/min
Rated Speed - Gross - ISO 14396 752 HP
Rated Speed - Gross - SAE J1995 766 HP
Rated Speed - Net Power - SAE J1349 - High Ambient 648 HP
Rated Speed - Net Power - SAE J1349 - Standard Ambient 699 HP
Stroke 6 in
Torque Rise 18 %

Operating Specifications

Bucket Capacity Range 8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Cat Truck Match - Standard 773-775
Operating Weight 204693 lb
Rated Payload 17.5 t
Rated Payload - Standard 17.5 t

Transmission

Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 8.5 mile/h
Direct Drive - Forward 3 15.2 mile/h
Direct Drive - Reverse 1 5.4 mile/h
Direct Drive - Reverse 2 9.6 mile/h
Direct Drive - Reverse 3 16.4 mile/h
Forward - 1 4.5 mile/h
Forward - 2 8.3 mile/h
Forward - 3 14.2 mile/h
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Reverse - 1 4.9 mile/h
Reverse - 2 9.1 mile/h
Reverse - 3 15.5 mile/h
Transmission Type Cat-Planetenlastschaltgetriebe

Hydraulic System - Lift/Tilt

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

Service Refill Capacities

Cooling System 54.9 gal (US)
Differential - Final Drives - Front 71.6 gal (US)
Differential - Final Drives - Rear 68.9 gal (US)
Engine Crankcase 20 gal (US)
Fuel Tank 294.3 gal (US)
Hydraulic System Factory Fill 210 gal (US)
Hydraulic Tank - Implement and Hydraulic Fan 68.9 gal (US)
Hydraulic Tank - Steering and Braking 34.9 gal (US)
Transmission 29.1 gal (US)

Buckets

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

Axles

Front Fixed
Oscillation Angle 8.5¬į
Rear Trunnion

Brakes

Brakes SAE J1473 OKT90, ISO 3450:1992

Hydraulic System - Steering

Maximum Flow at 1,400 rpm 94.5 gal/min
Relief Valve Setting - Steering 4641 psi
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 70¬į

Hydraulic Cycle Times

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

Sound Performance - Standard

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

Sound Performance - Suppression

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

Dimensions - Standard Lift - Approximate

B-Pin Height - Maximum Lift 19.2 ft
Clearance at Maximum Lift 13.4 ft
Dump Angle at Maximum Lift 47.4 degrees
Front Axle Centerline to Bucket Tip 14.2 ft
Ground to Bumper Clearance 3.5 ft
Ground to Center of Front Axle 3.9 ft
Ground to Lower Hitch Clearance 2 ft
Ground to Top of Exhaust Stacks 16.6 ft
Ground to Top of Hood 12.7 ft
Ground to Top of ROPS 17.2 ft
Maximum Overall Height - Bucket Raised 27 ft
Maximum Overall Length 41.8 ft
Rack Angle at Maximum Lift 63.7 degrees
Rack Back Angle - Carry 48.8 degrees
Rack Back Angle - Ground Level 40.4 degrees
Reach - Maximum Lift 7.2 ft
Rear Axle - Centerline to Bumper 12.5 ft
Wheel Base 15.1 ft

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