ZJ40 truck mounted drilling rig is the biggest light duty self-propelled truck-mounted
drilling equipment. Several patent technologies and new technologies are used
in the unit. Mature and reliable compound system for double engine is used.

Compound gear box with unique design is characterized by reliable driving performance and reasonable load distribution. Auxiliary brake of drawwork is air controlled water cooling
disc brake. 128' (39m) mast and chassis frame is fabricated with special material
and structure to ensure reliable strength and to reduce weight efficiently; besides, it provides great performance to satisfy the requirements for 13,120' (4000m)
drilling operation, meanwhile, it also ensures the traveling efficiency and performance.

Biggest self-propelled truck-mounted drilling rig.
Mature double engine compound box drive system.
Weight of mast, frame and accessories are effectively reduced.
14 * 10 reinforced chassis with good cross-country capacity.
New-type foldable substructure with stable structure and convenient installation.

Main parameters of ZJ40/2250CZ
Drilling depth(4-1/2"DP) ft(m): 13120(4000)
Workover depth(3-1/2"DP) ft(m): 24606(7500)
Maximum hook load lb(kN): 505800(2250)
Drill line diameter, inches(mm)/lines: φ1-1/4"(φ32) /10
Maximum hook speed, ft/s(m/s): 4.46(1.36)
Overall dimensions in shipping status ft(m): 50.85 * 9.8 * 14.6(15.5 * 2.99 * 4.46)
Weight lb(kg): 180776(82000)