 Sitom STQ4251L10N5S4 Tractor unit (#264)
 Sitom STQ4251L10N5S4 Tractor unit (#264)
Sitom tractor unit STQ4251L10N5S4 (batch #264) is made in China by Hubei Tri-Ring Special Vehicle Co., Ltd. The company is located in Shiyan, in Hubei Province, China.

STQ4251L10N5S4
 Overview
 Overview
| Model | STQ4251L10N5S4 | 
| Brand Name |  Sitom | 
| Bulletin | #264 | 
| Type of vehicle | Tractor unit | 
| VIN | 
 | 
| Country of origin | China | 
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
 Technical specifications
| # | Engine model | Engine displacement | Engine power | Engine manufacturer | |||
|---|---|---|---|---|---|---|---|
| 1 | WP12NG380E40 | 11596 cc | 11.6 L | 708 cu in | 280 kW | 381 hp | Weifang Weichai Peterson Gas Engine Co., Ltd. | 
| Performance | ||||
|---|---|---|---|---|
| Fuel | liquefied natural gas | |||
| Environmental standard | National IV / Euro 4 | |||
| Maximum speed | 90 km/h | 56 mph | ||
| ABS | have | |||
| Capacity | ||||
|---|---|---|---|---|
| Fifth wheel load capacity | 16000 kg | 16 t | 35,000 lbs | |
| Quasi-total mass of trailer | 40000 kg | 40 t | 88,000 lbs | |
| Weights and Ground pressure | ||||
|---|---|---|---|---|
| Curb weight | 8805 kg | 8.8 t | 19,412 lbs | |
| Gross vehicle weight rating | 25000 kg | 25 t | 55,000 lbs | |
| Axle load distribution | 7000 kg / 18000 kg   (tandem axle) 7 t / 18 t (tandem axle) 15,000 lbs / 40,000 lbs (tandem axle) | |||
| Dimensions | ||||
|---|---|---|---|---|
| Overall length | 7320 mm | 24′1″ | ||
| Overall width | 2490 mm | 8′3″ | ||
| Overall height | 3690 mm | 12′2″ | ||
| Undercarriage and Suspension | ||||
|---|---|---|---|---|
| Number of axles | 3 | |||
| Wheelbase | 3800+1350 mm | 12′6″+4′6″ | ||
| Front track | 2040 mm | 6′9″ | ||
| Rear track | 1860 mm / 1860 mm | 6′2″ / 6′2″ | ||
| Front overhang | 1460 mm | 4′10″ | ||
| Rear overhang | 710 mm | 2′4″ | ||
| Angle of approach | 19° | |||
| Angle of departure | 45° | |||
| Leaf springs | 10 / 12 | |||
| Tyres and Wheels | ||||
|---|---|---|---|---|
| Number of tyres | 10 | |||
| Tyres dimension | 11.00-20 18PR, 11.00R20 16PR | |||
| Miscellaneous | ||||
|---|---|---|---|---|
| Seating capacity | 3 | |||
| Steering control | steering wheel | |||
Additional Information
Maximum net power of the engine is 274kW.ABS system Manufacturer: Dongfeng Electronic Technology Co., Ltd., model:. ABS / ASR-24V-4S / 4M optional front wall, side panels, front bumper (including the front lights) and door panel installation tachograph has GPS functionality.

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