Chetra TG 122

Request Call Back
Find Spare Parts

Information materials
Model YaMZ-236 NB-2 QSB6.7-C165 74CTA-2V
Volume, l 11,15 6,7 7,4
Power, kWt/hp 110/150 110,3/150 110/150
Torque, Nm (rpm) 736 (1200-1400) 800 (1300-1500) 800 (1500)
Type Hydromechanic
Gearbox Planetary
1-st speed, forward/backward drive, km/h 3,7/4,9
2-nd speed, forward/backward drive, km/h 6,7/8,8
3-rd speed, forward/backward drive, km/h 10,7/13,5
Shift control Electro-hydraulic
Torque converter Three-element, single stage
Transformation ratio, Ko 2,539
Suspension Rigid, with crossbar
Track rollers (each side), pcs 8
Carrier rollers (each side), pcs 2
Track chain type Assembled, with single grouser shoes and grease retainer
Link pitch, mm 203
No. of shoes (each side), pcs 43
Grouser height, mm 65
Shoe width, mm 560
Base, mm 3022
Ground contact area, m2 3,385
Ground pressure, kgf/cm2 0,66
Pipelaying equipment
Lift capacity at boom reach 2.5 m, t 12,5
Lift capacity at boom reach 1.22 m, t 25,6
Hook drive system Block and tackle system
Mechanical advantage of the hoisting block and tackle 4
Mechanical advantage of the boom block and tackle 4
Hook lifting height at boom reach 1.5 m, m 5,7/7,7
Hook lifting (lowering) speed, m/min 8-21
Boom length, m 7/9
Boom weight, kg 1150/1430
Winch type Two drums, hydraulic drive
Winch drum diameter x width, mm 325 х 242
Hook rope diameter x length 16 mm х 56 m
Boom rope diameter x length 16 mm х 46 m
Counterweight control Hydraulic
Counterweight plates, pcs 4
Counterweight plate weight, kg 423
Counterweight + frame total weight, kg 2850
Boom and hook drums drive and control
Drive type Hydraulic
Lubrication system type Independent
Hydraulic motors control By distributor, simultaneous rotation of both drums at any speed and in any direction
Hydraulic filtration system Disposable paper filter
Automatic winch brake when engine stops Yes
Pipelayer weight, kg 24500 24500 24500


  • Modular design of all parts;
  • Track and carrier rollers and wheels with life-long lubrication and self-tensioning seals of the "double-cone" type;
  • Hydromechanic transmission with planetary gearbox and two-speed final drive, efficient diesel;
  • Hydro mounted cab with insulated glass units, air conditioner/heater, wipers, sunshades and audio system. Cab is also equipped with small refrigerator for water and drinks;
  • Hook and boom lift restrainers, loaded disc brakes to avoid the fall of the cargo;
  • Standard equipment:
  • Sound signal;
  • Back hitch;
  • Front towing device;
  • Engine and transmission protection;
  • Articulated radiator enclosure;
  • AC generator, 85 А;
  • 2 batteries, 12V, 190 Ah (24 V).