Main features:1. The equipments mounted on ND1252B44 general carrier for excellent passage, high travel speed, and good stability and it is easily equipped on wellhead.
2. Single drum, double brake belts, dead end balance, brake adopts mechanical brake and air assist cylinder brake, safely, reliable and easy operating.
3. Shift adopts gearbox manual transmission, easily operating.
4. Both air and manual control rope guiding changing can be achieve by air valves, easy operating, prolong the service life of wire line.
5. Central control in cab, comfortable and easy, the depth and weight indicator are mounted on control table, it makes the oil pumping more easily and directly.
Main specifications: 1. Max. Hoisting load: 130kN
29250lbf (130kN)（in rope Min. diameter）
10125lbf (45kN)（in rope Max. diameter）
2. Max. Depth: 8200ft (2500m)
3. Barrel oil pumps working submergence:
3-1/2 ″oil pipe ≤787.2ft (240m)
2-7/8 ″oil pipe≤984ft (300m)
4. Hoisting speed:
3.8ft/s (1.17m/s)（in rope Min. diameter）
10.2ft (3.12m/s)（in rope Max. diameter）