The GT-3900VL is a heavy-duty industrial 1.0” square drive air impact wrench with a strong 8.0” extended anvil. This D-handle type unit is ideal for general automotive or machinery applications. It’s compact and lightweight, has a torque range of 361.6-1266.4 lb/ft (max torque 1546.0 lb/ft), a max bolt capacity of 1-1/2”, and equipped with a powerful V-hammer mechanism for quick high-torque fastening. Other specifications include: 4200 RPM, anvil retainer ring, 4-adjust dial, 87psi air pressure, 1/2” air hose inner diameter, D-handle type, 20.6” overall length, and weighs 19.7 lbs.
|Drive Size||1.0" (25.4mm)|
|Anvil / Retainer Type||8.0" Extended Anvil
Thru-Hole with Retainer Ring
|Bolt Capacity Dia.||1-1/2" (39mm)|
|Torque Range||361.6~1266.4 lb/ft (490~1716 Nm)|
|Maximum Torque||1546.04 lb/ft (2094.9 Nm)|
|Torque Adjustment||4-Stage Adjust Dial|
|No Load Speed||4200 RPM|
|Required Air Pressure||87psi (0.6 Mpa)|
|Air Consumption||24.7 CFM (0.70 m3/min)|
|Hose Coupling||Rc 1/2|
|Air Hose Inner Dia.||1/2" (12.7mm)|
|Overall Length||20.6" (524mm)|
|Weight||19.7 lbs (9.0kg)|
|Country of Origin||Japan|
Accessories and hanger parts not included in overall length and weights.
Capacity is listed as instant reference and depends on operation conditions.