Machine models
Cat 170 to 771D specifications
| Listing-entry count |
|---|
| 2 |
| Publisher name | Source guide | Listing-entry count | Labels named by the source |
|---|---|---|---|
| Cat | 170 to 771D | 2 | 771D and 170 |
| Specification | 771D | 170 |
|---|---|---|
| Overall Length | 26.91 ft | 36.16 ft |
| Overall Width | 12.01 ft | 21.79 ft |
| Overall Height | 12.11 ft | 18.94 ft |
| Wheelbase | 12.19 ft | 17 ft |
| Dump Height | 25.38 ft | 36.78 ft |
| Specification | 771D |
|---|---|
| Ground Clearance | 1.97 ft |
| Dump Ground Clearance | 1.53 ft |
| Specification | 771D | 170 |
|---|---|---|
| Load Capacity - Struck | 26.43 yd3 | 74.43 yd3 |
| Load Capacity - Heaped | 35.97 yd3 | 102.29 yd3 |
| Specification | 771D |
|---|---|
| Rated Payload | 90,279 lb |
| Specification | 771D | 170 |
|---|---|---|
| Engine Model | 3408ETA | 3512A |
| Gross Power | 510 hp | 1,450 hp |
| Net Power | 485 hp | 1,348 hp |
| Displacement | 1,099 cu in | 3,161 cu in |
| Specification | 771D | 170 |
|---|---|---|
| Fuel Capacity | 140.1 gal | 850.2 gal |
| Tire Size | 18R33 (E-4) | 33R51 |
| Specification | 771D |
|---|---|
| Number Of Gears - Forward | 6 |
| Specification | 771D | 170 |
|---|---|---|
| Max Speed | 35.5 mph | 33.6 mph |
| Specification | 771D | 170 |
|---|---|---|
| Empty Weight | 76,611 lb | 550,009 lb |
| Loaded Weight | 166,890 lb | 338,983 lb |
| Weight Distribution Front - Empty | 49.8 % | 47 % |
| Weight Distribution Rear - Empty | 50.2 % | 53 % |
| Weight Distribution Front - Loaded | 33.3 % | 33.3 % |
| Weight Distribution Rear - Loaded | 66.7 % | 66.7 % |
| Source guide | Differing-field count reported |
|---|---|
| 170 to 771D | 22 |
| Figure | 771D | 170 |
|---|---|---|
| Engine horsepower per 1,000 lb of weight | 6.3 | 2.5 |
| Fuel tank per engine horsepower | 0.29 gal | 0.63 gal |
| Figure | 771D |
|---|---|
| Rated payload per cubic yard of heaped body | 2,510 lb |
170 to 771D: forum references
| Forum index | Exact-model query | Exact-model title matches | Broader equipment query | Broader title matches |
|---|---|---|---|---|
| Heavy Equipment Forums | Cat rigid rock truck | 0 | Cat rigid rock trucks | 26 |
- CAT D300e Haul Truck 11500hrs (Heavy Equipment Forums, 2025-09-23)
- CAT 730 Haul Truck Just Bought (Heavy Equipment Forums, 2025-09-14)
- CAT 735 Rock Truck Issue Loosing All Gears (Heavy Equipment Forums, 2025-04-22)
- Caterpillar D25c Dump Truck (Heavy Equipment Forums, 2025-04-08)
| Observation date | Listing source | Equipment search | Listings |
|---|---|---|---|
| 2026-09-24 | MachineryTrader | Cat rigid rock truck | 7 |
| Model | Listed | Model years | Lowest asking | Highest asking | Median asking | Median hours |
|---|---|---|---|---|---|---|
| 771D | 7 | 1998 to 2008 | $62,626 | $79,800 | $75,600 | 399 |
| Search date | Database | Names queried | Search result |
|---|---|---|---|
| 2026-09-24 | U.S. Consumer Product Safety Commission | Cat together with the rigid rock truck 771D, 170 | No matching recall in this search |
| Evidence class | Document, classification and recorded date |
|---|---|
| Reference site |
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| Reference site |
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| Forum threads |
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| Used-market listings |
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| Federal agency data |
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Cat 170 to 771D: Configuration records
170
| Specification | Source figure |
|---|---|
| Engine | |
| Gross Power | 1,450 hp |
| Net Power | 1,348 hp |
| Displacement | 3,161 cu in |
| Engine Model | 3512A |
| Transmission and speeds | |
| Max Speed | 33.6 mph |
| Weights | |
| Empty Weight | 550,009 lb |
| Loaded Weight | 338,983 lb |
| Weight Distribution Front - Empty | 47 % |
| Weight Distribution Rear - Empty | 53 % |
| Weight Distribution Front - Loaded | 33.3 % |
| Weight Distribution Rear - Loaded | 66.7 % |
| Dimensions and weight | |
| Overall Width | 21.79 ft |
| Overall Height | 18.94 ft |
| Wheelbase | 17 ft |
| Dump Height | 36.78 ft |
| Dump | |
| Load Capacity - Struck | 74.43 yd3 |
| Load Capacity - Heaped | 102.29 yd3 |
| Operational | |
| Fuel Capacity | 850.2 gal |
| Tire Size | 33R51 |
| Additional specifications | |
| Overall Length | 36.16 ft |
771D
| Specification | Source figure |
|---|---|
| Dimensions and weight | |
| Overall Length | 26.91 ft |
| Overall Width | 12.01 ft |
| Overall Height | 12.11 ft |
| Wheelbase | 12.19 ft |
| Dump Height | 25.38 ft |
| Dump Ground Clearance | 1.53 ft |
| Dump | |
| Load Capacity - Heaped | 35.97 yd3 |
| Load Capacity - Struck | 26.43 yd3 |
| Rated Payload | 90,279 lb |
| Engine | |
| Gross Power | 510 hp |
| Net Power | 485 hp |
| Displacement | 1,099 cu in |
| Engine Model | 3408ETA |
| Operational | |
| Fuel Capacity | 140.1 gal |
| Tire Size | 18R33 (E-4) |
| Transmission and speeds | |
| Number Of Gears - Forward | 6 |
| Max Speed | 35.5 mph |
| Weights | |
| Empty Weight | 76,611 lb |
| Loaded Weight | 166,890 lb |
| Weight Distribution Front - Empty | 49.8 % |
| Weight Distribution Rear - Empty | 50.2 % |
| Weight Distribution Front - Loaded | 33.3 % |
| Weight Distribution Rear - Loaded | 66.7 % |
| Additional specifications | |
| Ground Clearance | 1.97 ft |