Machine models
Komatsu 730E-7 specifications
| Listing-entry count |
|---|
| 1 |
Short answer
Komatsu 730E-7: rigid rock truck.
| Configuration | Documented field and quantity |
|---|---|
| 730E-7 |
|
| Specification | 730E-7 |
|---|---|
| Overall Length | 42.08 ft |
| Overall Width | 24.75 ft |
| Overall Height | 20.5 ft |
| Wheelbase | 19.33 ft |
| Ground Clearance | 3.75 ft |
| Dump Height | 41.08 ft |
| Dump Ground Clearance | 5.75 ft |
| Specification | 730E-7 |
|---|---|
| Dump Angle | 45 degrees |
| Load Capacity - Struck | 101 yd3 |
| Load Capacity - Heaped | 145 yd3 |
| Rated Payload | 409,947 lb |
| Lower Time | 15 sec |
| Raise Time | 21 sec |
| Specification | 730E-7 |
|---|---|
| Number Of Cylinders | 16 |
| Engine Model | SSA16V159 |
| Gross Power | 1,860 hp |
| Power Measured @ | 1,900 rpm |
| Displacement | 3,051 cu in |
| Specification | 730E-7 |
|---|---|
| Fuel Capacity | 850 gal |
| Cooling System Fluid Capacity | 108 gal |
| Steering System Fluid Capacity | 193 gal |
| Hydraulic System Fluid Capacity | 193 gal |
| Tire Size | 37.00-R57 |
| Specification | 730E-7 |
|---|---|
| Max Speed | 34.6 mph |
| Specification | 730E-7 |
|---|---|
| Empty Weight | 309,950 lb |
| Loaded Weight | 715,000 lb |
| Figure | 730E-7 |
|---|---|
| Engine horsepower per 1,000 lb of weight | 6.0 |
| Fuel tank per engine horsepower | 0.46 gal |
| Rated payload per cubic yard of heaped body | 2,827 lb |
| Equipment group | rigid rock truck |
|---|
| Brand | Equipment group | Compared entry | Sort order |
|---|---|---|---|
| Komatsu | rigid rock truck | 730E-7 | Descending quantity; 1 is largest |
| Figure | 730E-7 | Rank | Lowest in line | Highest in line |
|---|---|---|---|---|
| Engine power | 1,860.0 hp | 3 of 9 | 230.0 hp | 3,346.0 hp |
| Listed weight | 309,950 lb | 3 of 12 | 37,016 lb | 549,998 lb |
| Fuel capacity | 850.0 gal | 3 of 10 | 127.9 gal | 1,400.0 gal |
| Horsepower per 1,000 lb | 6.0 hp | 9 of 9 | 6.0 hp | 8.4 hp |
| Rated payload | 409,947.0 lb | 3 of 10 | 36,000.0 lb | 719,997.0 lb |
| Forum index | Equipment class queried | Names in the search | Matching titles |
|---|---|---|---|
| Heavy Equipment Forums | rigid rock truck | Komatsu and the 730E line that the 730E-7 belongs to (no title names the exact model). That is too few titles to say what owners mostly ask about, so the most recent are listed instead | 3 |
- Big Off Road Truck Komatsu 630e 730e (Heavy Equipment Forums, 2025-01-01)
- Komatsu Pc4000 730e Combination Photographs (Heavy Equipment Forums, 2020-03-27)
- Komatsu 730e Manual (Heavy Equipment Forums, 2012-11-16)
| Observation date | Listing source | Equipment search | Listings |
|---|---|---|---|
| 2026-09-24 | MachineryTrader | Komatsu rigid rock truck | 3 |
| Model | Listed | Model years | Lowest asking | Highest asking | Median asking | Median hours |
|---|---|---|---|---|---|---|
| 730E-7 | 3 | Not stated | None shown | None shown | None shown | 9,000 |
| Search date | Database | Names queried | Search result |
|---|---|---|---|
| 2026-09-24 | U.S. Consumer Product Safety Commission | Komatsu together with the rigid rock truck 730E-7 | No matching recall in this search |
| Evidence class | Document, classification and recorded date |
|---|---|
| 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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Komatsu 730E-7 questions
| Date | Listing index | Equipment class | Names queried | Listings | Price observation |
|---|---|---|---|---|---|
| 2026-09-24 | MachineryTrader | rigid rock truck | 730E-7 | 3 | No prices shown in this snapshot |
| Observation field | Recorded value |
|---|---|
| Title count | 3 |
| Forum indexes | Heavy Equipment Forums |
| Search wording | the 730E-7 rigid rock truck |
| Latest title quoted by the reference | Big Off Road Truck Komatsu 630e 730e |
Komatsu 730E-7: Configuration records
730E-7
| Specification | Source figure |
|---|---|
| Dimensions and weight | |
| Overall Length | 42.08 ft |
| Overall Width | 24.75 ft |
| Overall Height | 20.5 ft |
| Wheelbase | 19.33 ft |
| Ground Clearance | 3.75 ft |
| Dump Height | 41.08 ft |
| Dump Ground Clearance | 5.75 ft |
| Dump | |
| Rated Payload | 409,947 lb |
| Load Capacity - Heaped | 145 yd3 |
| Load Capacity - Struck | 101 yd3 |
| Raise Time | 21 sec |
| Dump Angle | 45 degrees |
| Lower Time | 15 sec |
| Engine | |
| Number Of Cylinders | 16 |
| Engine Model | SSA16V159 |
| Gross Power | 1,860 hp |
| Power Measured @ | 1,900 rpm |
| Operational | |
| Fuel Capacity | 850 gal |
| Cooling System Fluid Capacity | 108 gal |
| Hydraulic System Fluid Capacity | 193 gal |
| Tire Size | 37.00-R57 |
| Steering System Fluid Capacity | 193 gal |
| Transmission and speeds | |
| Max Speed | 34.6 mph |
| Weights | |
| Empty Weight | 309,950 lb |
| Loaded Weight | 715,000 lb |
More in Komatsu: 730E-8–980E-4, HD785-5, 830E/830E-AC.