Specifications
POWER TONGS
2853 Cherry Avenue
Signal Hill, CA 90755
Ph: (562) 424-8564
Fax: (562) 595-6174
14
OIL WELL TOOLS
Model 74-92-R  Tubing
Jaw Sizes Available
1" through 3-1/2" O.D. 100 to 2,500 Ft. Lbs. Torque
Torque range high gear . . . . . . . . . . . . . . . . . . . 100 to 800 ft. lbs.
Max. torque low gear. . . . . . . . . . . . . . . . . . . . . . . . . 2,500 ft. lbs.
RPM high . . . . . . . . . . . 110* RPM low . . . . . . . . . . . . 30*
*(RPM based on published requirements of motor manufacturers
21 GPM to tong motor)
Length (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45"
Space requirement on Pipe (B). . . . . . . . . . . . . . . . . . . . . . 6-3/8"
with Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3/8"
Max. elevator Dia. (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30"
C.L. of pipe to C.L. of Anchor (D) . . . . . . . . . . . . . . . . . . . 30-3/4"
Weight approx. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550 lbs.
Torque reactive force at anchor pin . . . . . . . . . . . . . . . . 1,070 lbs.
Model 58-93-R  Tubing & Casing
Jaw Sizes Available
1-5/16" through 7" O.D. 300 to 6,000 Ft. Lbs. Torque
Torque range high gear . . . . . . . . . . . . . . . . . 300 to 1,300 ft. lbs.
Max. torque low gear. . . . . . . . . . . . . . . . . . . . . . . . . 6,000 ft. lbs.
RPM high . . . . . . . . . . . 126* RPM low . . . . . . . . . . . . 27*
*(RPM based on published requirements of motor manufacturers
33.5 GPM to tong motor)
Length (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51"
Space requirement on Pipe (B). . . . . . . . . . . . . . . . . . . . . . 9-1/2"
with Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-1/2"
Max. elevator Dia. (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30"
C.L. of pipe to C.L. of Anchor (D) . . . . . . . . . . . . . . . . . . . . . . 30"
Weight approx. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,000 lbs.
Torque reactive force at anchor pin . . . . . . . . . . . . . . . . 2,051 lbs.
Model 54-93  Light Drill Pipe, Casing, Tubing
Jaw Sizes Available
1-5/16" through 7" O.D. 300 to 12,000 Ft. Lbs. Torque
Torque range high gear . . . . . . . . . . . . . . . . . 300 to 1,500 ft. lbs.
Max. torque low gear. . . . . . . . . . . . . . . . . . . . . . . . 12,000 ft. lbs.
RPM high . . . . . . . . . . . 130* RPM low . . . . . . . . . . . . 19*
*(RPM based on published requirements of motor manufacturers
39 GPM to tong motor)
Length (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61"
Space requirement on Pipe (B). . . . . . . . . . . . . . . . . . . . . . 9-1/2"
with Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18"
Max. elevator Dia. (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40"
C.L. of pipe to C.L. of Anchor (D) . . . . . . . . . . . . . . . . . . . 43-5/8"
Weight approx. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,360 lbs.
Torque reactive force at anchor pin . . . . . . . . . . . . . . . . 3,255 lbs.
Model 54-02  Light Drill Pipe, Casing, Tubing
Jaw Sizes Available
2-3/8" through 4-1/4" Tool Joints
2-3/8" Tubing through 10-3/4 Casing
300 to 18,000 Ft. Lbs. Torque
Torque range high gear . . . . . . . . . . . . . . . . . 300 to 1,500 ft. lbs.
Max. torque low gear. . . . . . . . . . . . . . . . . . . . . . . . 18,000 ft. lbs.
RPM high . . . . . . . . . . . . 80* RPM low . . . . . . . . . . . . 14*
*(RPM based on published requirements of motor manufacturers
55.5 GPM to tong motor)
Length (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76"
Space requirement on Pipe (B). . . . . . . . . . . . . . . . . . . . . . 9-1/2"
with Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20"
Max. elevator Dia. (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40"
C.L. of pipe to C.L. of Anchor (D) . . . . . . . . . . . . . . . . . . . 47-5/8"
Weight approx. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,600 lbs.
Torque reactive force at anchor pin . . . . . . . . . . . . . . . . 4,656 lbs.
Foster is a licensed trademark of 
National Oilwell Varco, L.P.










