Sitom STQ4240 Tractor unit (#101)
Sitom tractor unit STQ4240 (batch #101) based on STQ1240J chassis is made in China by Hubei Tri-Ring Special Vehicle Co., Ltd. The company is located in Shiyan, in Hubei Province, China.

STQ4240
Overview
| Model | STQ4240 |
| Brand Name | Sitom |
| Bulletin | #101 |
| Type of vehicle | Tractor unit |
| VIN |
|
| Country of origin | China |
| Chassis | STQ1240J |
Manufacturer Profile
| Manufacturer | Hubei Tri-Ring Special Vehicle Co., Ltd. |
| Brands | |
| Type of manufacturer | Special purpose vehicle manufacturer |
| City | Shiyan |
| Province (Region) | Hubei Province |
| Country | China |
| Number of vehicles* | 1480 models (4367 items total) |
| * A number of models manufactured by Hubei Tri-Ring Special Vehicle Co., Ltd. found in Auto-che.com vehicle database | |
Technical specifications
| # | Engine model | Engine displacement | Engine power | Engine manufacturer | |||
|---|---|---|---|---|---|---|---|
| 1 | YC6G240-20 | 7800 cc | 7.8 L | 476 cu in | 177 kW | 241 hp | |
| Performance | ||||
|---|---|---|---|---|
| Fuel | diesel fuel | |||
| Environmental standard | GB17691-1999, GB3847-1999 | |||
| Maximum speed | 80 km/h | 50 mph | ||
| Capacity | ||||
|---|---|---|---|---|
| Fifth wheel load capacity | 15405 kg | 15.4 t | 33,962 lbs | |
| Quasi-total mass of trailer | 22000 kg | 22 t | 49,000 lbs | |
| Passenger capacity (including driver) | 4 | |||
| Weights and Ground pressure | ||||
|---|---|---|---|---|
| Curb weight | 8800 kg | 8.8 t | 19,400 lbs | |
| Gross vehicle weight rating | 24400 kg | 24.4 t | 53,800 lbs | |
| Dimensions | ||||
|---|---|---|---|---|
| Overall length | 6610 mm | 21′9″ | ||
| Overall width | 2480 mm | 8′2″ | ||
| Overall height | 2810 mm | 9′3″ | ||
| Undercarriage and Suspension | ||||
|---|---|---|---|---|
| Number of axles | 3 | |||
| Wheelbase | 3200 mm / 1300 mm 10′6″ / 4′4″ | |||
| Front track | 1940 mm | 6′5″ | ||
| Rear track | 1860 mm | 6′2″ | ||
| Front overhang | 1270 mm | 4′2″ | ||
| Rear overhang | 840 mm | 2′10″ | ||
| Angle of approach | 25° | |||
| Angle of departure | 12° | |||
| Leaf springs | 11 / 10 | |||
| Tyres and Wheels | ||||
|---|---|---|---|---|
| Number of tyres | 10 | |||
| Miscellaneous | ||||
|---|---|---|---|---|
| Seating capacity | 3 | |||
| Steering control | steering wheel | |||

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