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Our own developed N-type clutch system resolved all the weak points of conventional impact wrench.


  • Stable stroke...........Improved uneven stroke which conventional tool has.
  • Compact & light weight..Much compact size compare with conventional tool and less air consumption too.
  • Stabled lubrication function..Grease dosen't fly off from necessary portion.
  • Better durability.......No jumping action of part like conventional wrench.Torque power doesn't deteriorate for a long period.


  • U-bolt setting work for medium/large truck.
  • Tyre setting work of heavy truck or bus.
  • Assembly/disassembly work of construction machinery and bulldozer.

Catalogue (PDF)


Drive size 1 in. 25.4 mm
Capacity bolt size 1-3/4 in. 45.0 mm
Recommended torque range 740-1,810 ft-lb 1,000-2,450 Nm
Weight(w/o socket) 23.5 lbs. 10.7 kg
Length(w/o socket) 14-7/16 in. 366.0 mm
Max trque 2,040 ft-lb 2,750 Nm
Free speed - 3,700 r.p.m.
Impact per min. - 700 i.p.m.
Air consumption(Normal) 26.5 c.f.m. 0.75 m³(Normal)/min
Hose size 1/2 in. 12.7 mm
Anvil Length 1-1/2 in. 37.0 mm
Performance figures are at 0.62MPa(Pe) (90P.S.I.) air pressure.

Parts List

You can download the parts list of current production.

Catalog Request,Contact US


3-6-15,Nonoue Habikino-Shi,Osaka,583-0871 KUKEN Co.,Ltd.

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