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Sitom STQ4257L7Y15S4 Tractor unit (#261)
Sitom tractor unit STQ4257L7Y15S4 (batch #261) is made in China by Hubei Tri-Ring Special Vehicle Co., Ltd. The company is located in Shiyan, in Hubei Province, China.
STQ4257L7Y15S4
Overview
| Model | STQ4257L7Y15S4 |
| Brand Name |  Sitom |
| Bulletin | #261 |
| 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
| # | Engine model | Engine displacement | Engine power | Engine manufacturer | |||
|---|---|---|---|---|---|---|---|
| 1 | ISLe375 40 | 8 900 cc | 8.9 L | 543 cu in | 276 kW | 375 hp | Dongfeng Cummins Engine Co., Ltd. |
| 2 | YC6MK385-40 | 10 338 cc | 10.3 L | 631 cu in | 285 kW | 387 hp | Guangxi Yuchai Machinery Co., Ltd. |
| 3 | WP12.375E40 | 11 596 cc | 11.6 L | 708 cu in | 276 kW | 375 hp | Weichai Power Co., Ltd. |
| 4 | YC6K1242-40 | 12 155 cc | 12.2 L | 742 cu in | 309 kW | 420 hp | Guangxi Yuchai Machinery Co., Ltd. |
| Performance | ||||
|---|---|---|---|---|
| Fuel | diesel fuel | |||
| Environmental standard | National IV / Euro 4 | |||
| Maximum speed | 90 km/h | 56 mph | ||
| ABS | have | |||
| Capacity | ||||
|---|---|---|---|---|
| Fifth wheel load capacity | 16200 kg | 16.2 t | 35,700 lbs | |
| Quasi-total mass of trailer | 40000 kg | 40 t | 88,000 lbs | |
| Weights and Ground pressure | ||||
|---|---|---|---|---|
| Curb weight | 8605 kg | 8.6 t | 18,971 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 | 6795 mm / 6995 mm | 22′4″ / 23′0″ | ||
| Overall width | 2490 mm | 8′3″ | ||
| Overall height | 3100 mm / 3600 mm / 3990 mm / 3210 mm / 3910 mm / 3820 mm | 10′3″ / 11′10″ / 13′2″ / 10′7″ / 12′10″ / 12′7″ | ||
| Undercarriage and Suspension | ||||
|---|---|---|---|---|
| Number of axles | 3 | |||
| Wheelbase | 3200+1300 mm, 3400+1300 mm, 3400+1350 mm | 10′6″+4′4″, 11′2″+4′4″, 11′2″+4′6″ | ||
| Front track | 2039 mm | 6′9″ | ||
| Rear track | 1860 mm / 1860 mm | 6′2″ / 6′2″ | ||
| Front/rear overhang | 1460 mm / 835 mm, 1460 mm / 785 mm | 4′10″ / 2′9″, 4′10″ / 2′7″ | ||
| Approach / departure angle | 19 / 42, 19 / 43 deg. | |||
| Leaf springs | 10 / 12, 3 / 4 | |||
| Tyres and Wheels | ||||
|---|---|---|---|---|
| Number of tyres | 10 | |||
| Tyres dimension | 11.00-20 18PR, 315/80R22.5 16PR, 11.00R20 16PR, 295/80R22.5 16PR, 12R22.5 16PR | |||
| Miscellaneous | ||||
|---|---|---|---|---|
| Seating capacity | 3 | |||
| Steering control | steering wheel | |||
Additional Information
The same type of optional flat top cab .ISLe37540, YC6MK385-40, WP12.375E40, YC6K1242-40 engine maximum net power values were 269,276,271,296kW.ABS System Manufacturer: WABCO Vehicle Control Systems (China) Co., Ltd., Model : 4460043200 car with OBD install tachograph has GPS capabilities around the former option, side panels, front bumper (including the front lights) and door panels optional high roof and side air Wind deflector. The plate topped Wind deflector optional parameter corresponding relationship (after Dimensions (length) / wheelbase / overhang / departure angle): a .6795 / 3200 + 1300/835/42; two .6995 / 3400 + 1300 / 835/42; three .6995 / 3400 + 1350/785/43.