Torque Multipliers
MADE IN USA
Air Motor for Torque Multipliers
Part No. Drive Size Description
9S3900A 1/2" Square Air Motor for Torque Multiplier
Not for use on: 9S290P, 9S291, 9S391 and 9S292
Output Drive: 1/2" Sq.
Maximum output torque: 200 ft. lbs.
Maximum running air pressure: 60 PSI
Free speed (reversible): 70 RPM
Overall length: 16.25 in.
Reaction Foot Torque Multipliers
Output
Capacity
ft. lbs. [Nm]
Input
Output
Head
Wt.
Part
Continuous/ Torque Square Square
Overload
Anti-
Dia.
Height lbs.
No.
Peak
Ratio
Size
Size
Accuracy
Protection
Backlash
in. (mm) in. (mm)3 (kg)2
9STM12* 735 (1,000)/ 3.4:1
1/2"
3/4"
±5%
Yes
No
885 (1,200)
1. Powerlock is standard on all tools unless denoted by*
2. If overload protection is specified increase weight by 2.21 lbs. (1 kg)
3. If overload protection is specified increase height by 1.2" (30mm)
4. All tools come with carrying case
Specifications subject to change without notice.
250
www.wrighttool.com
3.4
(86)
7.3
(186)
7.5
(3.4)