Sitom STQ4251L10N5S5 Tractor unit (#291)

Sitom tractor unit STQ4251L10N5S5 (batch #291) is made in China by Hubei Tri-Ring Special Vehicle Co., Ltd. The company is located in Shiyan, in Hubei Province, China.

Sitom STQ4251L10N5S5 tractor unit


Sitom STQ4251L10N5S5 tractor unit Sitom STQ4251L10N5S5 tractor unit Sitom STQ4251L10N5S5 tractor unit
Brand NameSitom
Type of vehicleTractor unit
  • LS3T2SH4×××××××××
Country of originChina
Manufacturer Profile
Type of manufacturerSpecial purpose vehicle manufacturer
Province (Region)Hubei Province
Number of vehicles*1480 models
(4367 items total)
* A number of models manufactured by Hubei Tri-Ring Special Vehicle Co., Ltd. found in vehicle database
Technical specifications
#Engine modelEngine displacementEngine powerEngine manufacturer
1YC6MK375N-5010 338 cc10.3 L631 cu in276 kW375 hpGuangxi Yuchai Machinery Co., Ltd.
2WP12NG380E5011 596 cc11.6 L708 cu in280 kW381 hpWeichai Westport (Weifang) New Energy Engine Co., Ltd.
Fuelliquefied natural gas
Maximum speed90 km/h56 mph
Fifth wheel load capacity16070 kg,
16005 kg
16.1 t,
16 t
35,428 lbs,
35,285 lbs
Quasi-total mass of trailer40000 kg40 t88,000 lbs
Weights and Ground pressure
Curb weight8800 kg8.8 t19,400 lbs
Gross vehicle weight rating25000 kg25 t55,000 lbs
Axle load distribution7000 kg / 18000 kg  (二轴组)
7 t / 18 t  (二轴组)
15,000 lbs / 40,000 lbs  (二轴组)
Overall length7440 mm / 7490 mm24′5″ / 24′7″
Overall width2500 mm8′3″
Overall height3820 mm / 3730 mm12′7″ / 12′3″
Undercarriage and Suspension
Number of axles3
Wheelbase3800+1300 mm,
3800+1350 mm
Front track2040 mm6′9″
Rear track1860 mm / 1860 mm6′2″ / 6′2″
Front overhang1520 mm5′0″
Rear overhang820 mm2′9″
Angle of approach18°
Angle of departure35°
Leaf springs10 / 12, 3 / 4
Tyres and Wheels
Number of tyres10
Tyres dimension11.00R20 16PR, 315/80R22.5 16PR, 12R22.5 16PR
Seating capacity2, 3
Steering controlsteering wheel
Additional Information

Before optional Wai, side panels, front bumper (including the front lights) and door panels. Optional shroud. Optional visor .YC6MK375N-50, WP12NG380E50 engine maximum net power values ​​were 271,272kW.ABS system . manufacturer: WABCO Vehicle control systems (China) Co., Ltd., Model: 4460043200 installed with satellite positioning function recorder has a number of lamina optional 10/12, the corresponding total height of 3820; reed plate number. optional 3/4, the time corresponding to a total height of 3730. corresponds to 2 people carrying maximum permissible mass saddle is 16070kg; the number of passengers allowed to correspond to three people when carrying maximum permissible mass saddle 16005kg parameters for the corresponding relationship (profile. ruler