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Caterpillar 789
Configuration: Cat 789 mining truck, Cat 3516E engine, 213 US ton nominal payload, 6-speed mechanical drive, 37 R57 tires
18 sourced values · Sources: Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Dimension diagram
| A | Overall length | ≈ 12,978 mm |
| B | Overall height | ≈ 6,730 mm |
| C | Wheelbase | ≈ 5,691 mm |
| D | Ground clearance | Not captured |
| E | Overall width | ≈ 7,824 mm |
| F | Track gauge / tread | Not captured |
Weights
| Spec | Value | Source |
|---|---|---|
| Max gross (laden) weight | ≈ 324,319 kg | Published: 715,000 lb Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25Rated Gross Machine Weight. |
| Empty (chassis + body) weight | Not published | Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Not published; body weight 60,406 lb only (no chassis weight). |
Dimensions
| Spec | Value | Source |
|---|---|---|
| Overall length | ≈ 12,978 mm | Published: 42.58 ft Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25The 789 dimensions table has its unit columns swapped (mm in the english column); ft value used. |
| Overall width | ≈ 7,824 mm | Published: 25.67 ft Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25Operating Width. The 789 dimensions table has its unit columns swapped (mm in the english column); ft value used. |
| Overall height | ≈ 6,730 mm | Published: 22.08 ft Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25Front Canopy Height (Height - Top of ROPS 18.25 ft). The 789 dimensions table has its unit columns swapped (mm in the english column); ft value used. |
| Overall height, body raised | ≈ 11,531 mm | Published: 37.83 ft Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25The 789 dimensions table has its unit columns swapped (mm in the english column); ft value used. |
| Loading height (empty) | ≈ 6,148 mm | Published: 20.17 ft Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25The 789 dimensions table has its unit columns swapped (mm in the english column); ft value used. |
| Wheelbase | ≈ 5,691 mm | Published: 18.67 ft Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25Printed 'Wheel Base 57000 mm | 18.67 ft'; the mm value is wrong, ft value used. |
| Turning radius | Not published | Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Cat publishes turning diameters only (no radius). |
| Turning / clearance circle diameter | Not published | Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Not published in the cited OEM document. |
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Tire size | 37 R57 | Published: 37 R57 Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25Standard; optional 40 R57 and 42/90 R57. |
Engine
Performance
| Spec | Value | Source |
|---|---|---|
| Rated payload | ≈ 193,230 kg | Published: 213 US ton Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25Nominal Rated Payload. |
| Body capacity (heaped) | Not published | Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Heaped (SAE 2:1) printed as '187' with no unit; not recorded. |
| Body capacity (struck) | ≈ 77.2 m³ | Published: 101 yd³ Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25Printed '77 m3(101 yd3)'. |
| Max travel speed | ≈ 57.1 km/h | Published: 35.5 mph Caterpillar product specifications, Cat 789 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25Top Speed - Loaded. |
Similar models
| Brand | Model | Max gross (laden) weight |
|---|---|---|
| Hitachi | EH3500AC-3 | 322,000 kg |
| Komatsu | 730E-10 | ≈ 338,075 kg |
| Hitachi | EH4000AC-3 | 384,000 kg |
| Komatsu | 830E-5 | ≈ 411,136 kg |
| Liebherr | T 264 | ≈ 416,000 kg |
| Caterpillar | 793 (04) | ≈ 383,739 kg |
Compare side by side with Hitachi EH3500AC-3 and Komatsu 730E-10