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Caterpillar 990
Configuration: Standard lift, rock bucket PN 499-7560 (9.0 m³ / 11.8 yd³ ISO heaped, teeth and segments, spade edge), Bridgestone 45/65R39 VSDL One Star tires at 6.7 bar; Cat C27, U.S. EPA Tier 4 Final/EU Stage V option.
25 sourced values · Sources: Cat 990 Wheel Loader Specifications AEXQ3708-01 (02-2025); Cat C27, U.S. EPA Tier 4 Final/EU Stage V (emissions option 1; a Tier 2-equivalent option is also listed). Retrieved 2026-10-25
Dimension diagram
| A | Overall length | 13,151 mm |
| B | Overall height | 5,240 mm |
| C | Wheelbase | 4,600 mm |
| D | Ground clearance | 596 mm |
| E | Overall width | 4,610 mm |
| F | Track gauge / tread | Not published |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 79,164 kg | Published: 79,164 kg Cat 990 Wheel Loader Specifications AEXQ3708-01 (02-2025); Cat C27, U.S. EPA Tier 4 Final/EU Stage V (emissions option 1; a Tier 2-equivalent option is also listed). Retrieved 2026-10-25Operating specifications, standard lift, 9.0 m³ rock bucket PN 499-7560 (174,526 lb). Headline "Operating Weight - Standard" 80 974 kg. |
Dimensions
Undercarriage / tires
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | Not published | Cat 990 Wheel Loader Specifications AEXQ3708-01 (02-2025); Cat C27, U.S. EPA Tier 4 Final/EU Stage V (emissions option 1; a Tier 2-equivalent option is also listed). Retrieved 2026-10-25 Not published in this document. |
Axle loads
| Spec | Value | Source |
|---|---|---|
| Axle load, front (unladen/operating) | 45,608 kg | Published: 45,608 kg Cat 990 Wheel Loader Specifications AEXQ3708-01 (02-2025); Cat C27, U.S. EPA Tier 4 Final/EU Stage V (emissions option 1; a Tier 2-equivalent option is also listed). Retrieved 2026-10-25Weight distribution at SAE carry, unloaded, front (100,548 lb). Loaded: 71 773 kg. |
| Axle load, rear (unladen/operating) | 33,556 kg | Published: 33,556 kg Cat 990 Wheel Loader Specifications AEXQ3708-01 (02-2025); Cat C27, U.S. EPA Tier 4 Final/EU Stage V (emissions option 1; a Tier 2-equivalent option is also listed). Retrieved 2026-10-25Weight distribution at SAE carry, unloaded, rear (73,979 lb). Loaded: 23 266 kg. |
Engine
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | 910 L/min | Published: 910 L/min Cat 990 Wheel Loader Specifications AEXQ3708-01 (02-2025); Cat C27, U.S. EPA Tier 4 Final/EU Stage V (emissions option 1; a Tier 2-equivalent option is also listed). Retrieved 2026-10-25Lift/tilt system maximum flow at 1,800 rpm (240 gal/min), variable displacement piston; per-pump split not published. Steering pump (364 L/min, separate circuit) not added. |
| System / relief pressure | ≈ 33 MPa | Published: 33,000 kPa Cat 990 Wheel Loader Specifications AEXQ3708-01 (02-2025); Cat C27, U.S. EPA Tier 4 Final/EU Stage V (emissions option 1; a Tier 2-equivalent option is also listed). Retrieved 2026-10-25Relief valve setting, lift/tilt (4,786 psi). Steering relief 34 500 kPa. |
Performance
Similar models
| Brand | Model | Operating weight |
|---|---|---|
| Komatsu | WA700-8 | 97,100 kg |
| Komatsu | WA600-8 | 55,400 kg |
| Komatsu | WA800-8 | 115,530 kg |
| Komatsu | WA900-8 | 116,400 kg |
| Volvo | L350H | 51,450 kg |
| Caterpillar | 992 | 105,882 kg |
Compare side by side with Komatsu WA700-8 and Komatsu WA600-8