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990 Wheel Loader

990 Wheel Loader

At a Glance

Engine Model
C27 Cat®
Rated Speed
1,800/min
Engine Power - ISO 14396:2002
752 hp
Gross Power - SAE J1995:2014
766 hp
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Overview

Engine

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Engine Model C27 Cat®
Rated Speed 1,800/min
Engine Power - ISO 14396:2002 752hp
Gross Power - SAE J1995:2014 766hp
Net Power - SAE J1349 - Standard Ambient 699hp
Net Power - SAE J1349 - High Ambient 648hp
Bore 5.4in
Stroke 6in
Displacement 1649.5in³
Peak Torque - 1,200 rpm 2624lb/ft
Torque Rise 18%
Emissions U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent

Transmission

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

Operating Specifications

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Operating Weight 178517lb
Rated Payload - Standard 17.5ton (US)
Rated Payload - High Lift 17.5ton (US)
Bucket Capacity Range 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Cat Truck Match - Standard 773-775
Cat Truck Match - High Lift 775-777

Hydraulic System - Lift/Tilt

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Lift/Tilt System - Circuit Positive flow control
Lift/Tilt System Variable displacement piston
Maximum Flow at 1,800 rpm (1) 240gal/min
Cylinders, Double Acting - Lift, Bore and Stroke 235 mm × 1287 mm (9.3 in × 50.7 in)
Cylinders, Double Acting - Tilt, Bore and Stroke 292.1 mm × 820 mm (11.5 in × 32.3 in)
Pilot System Open loop and pressure reducing
Relief Valve Setting - Main 507psi
Relief Valve Setting - Lift/Tilt 4786psi

Hydraulic Cycle Times

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Rack Back 4.3s
Raise 8.2s
Dump 2.9s
Lower 3.7s
Lower Float Down 3.6s
Total Hydraulic Cycle Time - Empty Bucket 13.8s

Hydraulic System - Steering

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Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Maximum Flow at 1,400 rpm 96.2gal/min
Relief Valve Setting - Steering 5004psi
Total Steering Angle 70°

Air Conditioning System

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Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.7 kg of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 tons).

Axles

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Front Fixed
Rear Trunnion
Oscillation Angle 8.5°

Brakes

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Brakes ISO 3450: 2011

Service Refill Capacities

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Fuel Tank 294.3gal (US)
Cooling System 54.9gal (US)
Engine Crankcase 20gal (US)
Transmission 29.1gal (US)
Differential - Final Drives - Front 71.6gal (US)
Differential - Final Drives - Rear 68.9gal (US)
Hydraulic System Factory Fill 210gal (US)
Hydraulic Tank - Implement and Hydraulic Fan 68.9gal (US)
Hydraulic Tank - Steering and Braking 34.9gal (US)
Note All nonroad U.S. EPA Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or l

Sound Performance - Standard

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Operator Sound Level (ISO 6396:2008) 65.5dB(A)
Machine Sound Level (ISO 6395:2008) 115dB(A)

Sound Performance - Suppression

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Operator Sound Level (ISO 6396:2008) 65.5dB(A)
Machine Sound Level (ISO 6395:2008) 113dB(A)

Buckets

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Bucket Capacities 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)