990 Series II

Large Wheel Loaders

Efficiency through Technology. The 990 Series II Wheel Loader equipped with the standard lift arrangement is the ideal match for the 45-64 tonnes (50-70 ton) truck and is leading the way into the future with proven, advanced technology. With the High Lift Arrangement as an attachment, the 990 Series II can also load the 90 tonnes (100 ton) class truck. This machine will provide the lowest cost per ton in its size class.

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Net Power 466 kW

Engine Model Cat® 3412E

Gross Power 503 kW

Net Power - Caterpillar 466 kW

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990 Series II

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FEATURES & BENEFITS

Power Train

Caterpillar 3412E EngineIs rated at 466 kW (625 hp) at 2000 rpm. The Hydraulically actuated, Electronically controlled Unit Injector (HEUI) fuel system and Electronic Con... Read more

Cooling System

Advanced Modular Cooling System (AMOCS) with Air-to-Air Aftercooling System (ATAAC)In order to meet EPA Tier 2 and EU Stage II emissions requirements for the Year 2002, t... Read more

Hydraulic System

Two Separate Hydraulic SystemsImprove the cooling and help prevent cross-contamination. One system is for lift/tilt and brakes, while the other is for the steering and en... Read more

Structures

Structure ConstructionAre more than 80 percent robotically welded. This provides highly consistent welds with deep plate penetration and excellent plate fusion. The benef... Read more

Buckets and Bucket Match

BucketsFor the 990 Series II range in size from 8.4 m3 (11 yd3) to 9.2 m3 (12 yd3) and may be configured for a variety of impact and abrasive conditions. All buckets are... Read more

Operator's Station

New Cab DesignIncorporates innovations for operator comfort and productivity include spaciousness, outstanding visibility, interior sound levels below 75 dB(A), a standar... Read more

Application Truck Match

Truck MatchThe 990 Series II is an aggressive first gear loader for face and bank excavation. With increased dump clearance, it can easily load 54 to 90 tonnes (60 to 100... Read more

High Lift Arrangement Optional Attachment

High Lift ArrangementProvides up to 566 mm (22.3 in) more dump clearance at full lift and 45° discharge than the standard 990 Series II, and 294 mm (11.5 in) more forward... Read more

Serviceability

Easier Maintenance and RepairThrough monitoring key functions and logging critical indicators. Electronic diagnostic access is possible with a single tool, the Electronic... Read more

SPECIFICATIONS FOR 990 Series II

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Engine

Net Power	466 kW
Engine Model	Cat® 3412E
Gross Power	503 kW
Net Power - Caterpillar	466 kW
Net Power - ISO 9249	466 kW
Net Power - SAE J1349	461 kW
Net Power - DIN 70020	648 PS
Bore	137 mm
Stroke	152 mm
Displacement	27 l
Net Power - EEC 80/1269	466 kW

Operating Specifications

Operating Weight	77141 kg
Rated Payload	15 t
Bucket Capacity Range	8.4-9.2 m3 11-12 yd3
Static Tipping Load - Full Turn	38243 kg
Static Tipping Load - Full Turn - HL	39048 kg
Dump Clearance	3952 mm
Breakout Force	583.6 kN
Operating Weight - HL	83252 kg
Breakout Force - HL	536 kN
Articulation Angle	35 °

Transmission

Transmission Type	Powershift
Forward - 1	7 km/h
Forward - 2	12.8 km/h
Forward - 3	22.4 km/h
Reverse - 1	7.9 km/h
Reverse - 2	14.1 km/h
Reverse - 3	24.8 km/h
Converter Drive - Forward 1	7 km/h
Converter Drive - Forward 2	12.1 km/h
Converter Drive - Forward 3	20.8 km/h
Converter Drive - Reverse 1	7.7 km/h
Converter Drive - Reverse 2	13.4 km/h
Converter Drive - Reverse 3	22.8 km/h
Direct Drive - Forward 1	Lock-up disabled
Direct Drive - Forward 2	12.8 km/h
Direct Drive - Forward 3	22.4 km/h
Direct Drive - Reverse 1	7.9 km/h
Direct Drive - Reverse 2	14.1 km/h
Direct Drive - Reverse 3	24.8 km/h

Hydraulic System - Lift/Tilt

Number of Lift Cylinders	2
Number of Tilt Cylinders	1

Hydraulic Cycle Times

Raise	9.2 s
Dump	2.9 s
Lower Float Down - Empty	3.8 s
Total Hydraulic Cycle Time	15.9 s

Service Refill Capacities

Fuel Tank	1074 l
Cooling System	190 l
Crankcase	95 l
Transmission	110 l
Differential - Final Drives - Front	271 l
Differential - Final Drives - Rear	261 l
Hydraulic System - Tank Only	174 l
Hydraulic System - Lift/Tilt and Brakes	435 l
Hydraulic System - Steering and Engine Cooling Fan	194 l
Hydraulic System - Including Tank	435 l

Dimensions*

Height - Top of Exhaust Stack	4726 mm
Height - Top of ROPS/FOPS	5070 mm
Ground Clearance	478 mm
Reach at Maximum Lift/Dump - Std	1799 mm
Reach at Maximum Lift/Dump - HL	2540 mm
Clearance at Maximum Lift/Dump - Std	4135 mm
Clearance at Maximum Lift /Dump - HL	4518 mm
Wheel Base Length	4600 mm
Overall Length - Std	12839 mm
Overall Length - HL	13578 mm
Width - Over Tires	4071 mm
Turning Circle - Std	20740 mm
Full Turn Static Tipping Load at 35°	38243 kg
Turning Circle - HL	21514 mm
Straight Static Tipping Load - Std	43392 kg
Straight Static Tipping Load - HL	44152 kg
Hinge Pin Height at Full Lift - Std	5866 mm
Hinge Pin Height at Full Lift - HL	6432 mm
Tread Width	3050 mm

Buckets

Bucket Capacities

8.4-9.2 m3 (11-12 yd3)

Axles

Maximum Single-Wheel Rise and Fall	572 mm
Front	Fixed
Rear	Oscillating
Oscillation Angle	11 °

Brakes

Meet SAE/ISO 3450 1996.

Cab

Cab - ROPS/FOPS	Meets SAE and ISO standards.
Sound Performance	Meets ANSI, SAE and ISO standards.

Steering

Minimum Turning Radius - Over Bucket	10337 mm
Steering Angle - Each Direction	35 °
Hydraulic Output at 2,128 rpm and 6900 kPa (1,000 psi)	410 l/min
Relief Valve Setting	31000 kPa
Minimum Turning Radius - Over Bucket - HL	10757 mm

Tires

Tires (1)	Choice of six tires.
Tires (2)	Tires used for measurement - 41.25/70-39 42 ply

Loader Hydraulic System

Main Hydraulic System Output at 2,128 rpm and 6900 kPa (1,000 psi)	650 l/min
Relief Valve Setting	31000 kPa
Cylinders, Double Acting - Lift, Bore and Stroke	234 mm x 1270 mm 9.25 in x 50 in
Cylinders, Double Acting - Tilt, Bore and Stroke	292 mm x 820 mm 11.5 in x 32.3 in
Pilot System, Gear-Type Pump Output at 2,000 rpm and 6900 kPa (1,000 psi)	46 l/min
Relief Valve Setting - Low Idle	2400 kPa

SELECT MODELS TO COMPARE

Gross Power 342 kW

Operating Weight 45678 kg

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Net Power 607 kW

Engine Model Cat® C32 ACERT™

Bore 145 mm

Stroke 162 mm

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