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James Morton Torque Multipliers   
 X-4  |  X-4 Anti-Backlash

torque multiplier
 
 

X-4 Torque Multipliers

  • The planetary gear design allows one person to develop up to 12,000 foot pounds
  • Its compact design allows use in tight spaces — even flanges
  • Does not require air or electricity so it can be used anywhere
  • Can be used with a torque wrench to allow precision control of high torque pressure
  • High grade alloy steel parts provides maximum strength and service life
  • Provides steady pressure so there is no dangerous jarring impact
  • The James Morton Torque Multiplier can be directly intercoupled (stacked) to provide high mechanical ratio

torque multiplier
Catalog
Number		 Input Capacity Output Capacity Input Drive Output Drive Ratio Weight
MOR.JM-1000 500 ft lbs
(70 KPM)  		 2000 ft lbs
(280 KPM)  		 3/4"   1"   4 to 1   14 lbs  
MOR.JM-1200 209 ft lbs
(29 KPM)  		 3000 ft lbs
(420 KPM)  		 3/4"   1 1/2"   14.3 to 1   30 lbs  
MOR.JM-1500 923 ft lbs
(128 KPM)  		 4000 ft lbs
(560 KPM)  		 1"   1 1/2"   4.33 to 1   30 lbs  
MOR.JM-2000 1739 ft lbs
(242 KPM)  		 8000 ft lbs
(1120 KPM)  		 1"   1 1/2"   4.6 to 1   47 lbs  
MOR.JM-2500 2000 ft lbs
(278 KPM)  		 12000 ft lbs
(1680 KPM)  		 1"   2 1/2"   6 to 1   73 lbs  
MOR.JM-750 250 ft lbs
(35 KPM)  		 1000 ft lbs
(140 KPM)  		 1/2"   3/4"   4 to 1   7 lbs  
 
 

X-4 Anti-Backlash Torque Multiplier

  • Anti backlash model is useful where fastening system has spring back condition or where an extended reaction bar is used
  • Can be coupled with larger model to make entire system anti-backlash

torque multiplier
Catalog
Number		 Input Capacity Output Capacity Input Drive Output Drive Ratio Weight
MOR.JM-1000-R 500 ft lbs
(70 KPM)  		 2000 ft lbs
(280 KPM)  		 3/4"   1"   4 to 1   15 lbs  

 X-4
TORQUE MULTIPLIERS
(GEARED HEAD WRENCHES)

The X-4 Torque Multiplier is a Geared Head Wrench incomparable to any other tool. The multiplication is achieved through a planetary gear train at a ratio depending on the model. The precision gear train is totally enclosed.

An X-4 is a silent partner to all maintenance men, providing ample power to loosen the toughest threaded fasteners. As a torque multiplier it generates torque's from a few hundred pound-feet to thousands of pound-feet with precision and ease. Relatively small in size, the X-4 Torque Multipliers may be used with practically all accessory tooling yet provide ample wrench power in limited work areas. In many cases it eliminates dismantling of nearby equipment.

In addition to many applications where an X-4's use is mandatory, general use will not only upgrade the quality of work but also vastly improve the overall efficiency of the operators. Safety groups will find many reasons for specifying the use of X-4 Torque Multipliers and rather than interfere with production or efficiency, both factors will show improvement.

torque multiplierIn use, standard drive sockets of appropriate size are placed on the male drive square. A suitable drive tool is inserted in the female input socket. This may be an ordinary ratchet drive, a torque measuring device or under controlled conditions, a power drive. This assembly is now placed on the part to be turned with the reaction bar restrained against some substantial part of the equipment being serviced. At this point, any force applied to the input drive is multiplied at the output end of the X-4. For higher ratios of multiplication, two or more X-4's may be directly intercoupled. Impact type driving tools should not be used.

Thousands of X-4 Torque multipliers are in use throughout the world as maintenance, production, inspection or service equipment wherever high torque applications are found.

X-4 MULTIPLIERS - DATA AND SPECIFICATIONS

Model Output Capacity Input
Drive		 Output
Drive		 Ratio* Approx. Wgt.
MOR.JM-750 1000 lb-ft
(1356 N-m, 140 kP-m)		 1/2" 3/4" 4 to 1 7 lbs
(3.2 kg)
MOR.JM-1000 2000 lb-ft
(2712 N-m, 280 kP-m)		 3/4" 1" 4 to 1 14 lbs
(6.4 kg)
MOR.JM-1000R
(ANTI-BACKLASH)		 2000 lb-ft
(2712 N-m, 280 kP-m)		 3/4" 1" 4 to 1 15 lbs
(6.9 kg)
MOR.JM-1200
(TWO-STAGE)		 3000 lb-ft
(4067 N-m, 420 kP-m)		 3/4" 1 1/2" 14.3 to 1 30 lbs
(14 kg)
MOR.JM-1500 4000 lb-ft
(5423 N-m, 560 kP-m)		 1" 1 1/2" 4.33 to 1 30 lbs
(14 kg)
MOR.JM-2000 8000 lb-ft
(10847 N-m, 1120 kP-m)		 1" 1 1/2" 4.6 to 1 47 lbs
(21 kg)
MOR.JM-2500 12000 lb-ft
(16270 N-m, 1680 kP-m)		 1" 2 1/2" 6 to 1 73 lbs
(33 kg)

*Due to frictional losses in the tool, actual output will vary between 10 and 20% in each stage of multiplication.

  torque multiplier
Model A B C D E F O/A/L
MOR.JM-750 3.50"
89 mm		 6.60"
168 mm		 .50"
13 mm		 .75"
19 mm		 3.35"
85 mm		 17.8"
452 mm		 22.5"
572 mm
MOR.JM-1000 3.75"
95 mm		 6.60"
168 mm		 .75"
19 mm		 1.00"
25 mm		 4.37"
111 mm		 20.4"
518 mm		 25.7"
653 mm
MOR.JM-1000R
(ANTI-BACKLASH)		 3.75"
95 mm		 6.60"
168 mm		 1.50"
38 mm		 1.00"
25 mm		 5.00"
127 mm		 20.4"
518 mm		 25.7"
653 mm
MOR.JM-1200
(TWO-STAGE)		 5.20"
132 mm		 9.70"
246 mm		 2.00"
51 mm		 1.50"
38 mm		 7.00"
178 mm		 23.9"
607 mm		 30"
762 mm
MOR.JM-1500 5.20"
132 mm		 9.70"
246 mm		 1.00"
25 mm		 1.50"
38 mm		 6.20"
157 mm		 23.9"
607 mm		 30"
762 mm
MOR.JM-2000 6.50"
165 mm		 12.10"
307 mm		 .75"
19 mm		 1.87"
48 mm		 7.67"
195 mm		 23.8"
604 mm		 31"
787 mm
MOR.JM-2500 8.50"
216 mm		 11.50"
292 mm		 1.00"
25 mm		 2.25"
57 mm		 7.25"
184 mm		 28.7"
729 mm		 28.7"
729 mm


X-4 TORQUE MULTIPLIER PARTS DIAGRAM
(FOR ALL MODELS EXCEPT MOR.JM-1200)

torque multiplier


X-4 TORQUE MULTIPLIER PARTS LISTS
(FOR ALL MODELS EXCEPT MOR.JM-1200)

Drawing
Item		 Part
Description		 Part No.
MOR.JM750		 Part No.
MOR.JM1000		 Part No.
MOR.JM1000R		 Part No.
MOR.JM1500		 Part No.
MOR.JM2000		 Part No.
MOR.JM2500
1 Input Pinion -02 -02 -02 -02 -02 -02
2 Input "O" Ring   -10 -10 -10 -10 -10
3 Input Carrier -04 -04 -04 -04 -04 -04
4 Dowel Pins (4) -08 (4) -08 (4) -08 (4) -08 (4) -08 (4) -08
5 Housing "O" Ring   (2) -09 (2) -09 (2) -09 (2) -09 (2) -09
7 Input Retainer (1) -07 (2) -07 (2) -07 (2) -07 (4) -07 (2) -07
8 Planet Pinion (4) -03 (4) -03 (4) -03 (4) -03 (4) -03 (4) -03
9 Spacer*   (2) -26 (2) -26      
10 Housing -01 -01 -01 -01 -01 -01
11 Output Stub -05 -05 -05 -05 -05 -05
12 Special Screw (4) -06 (4) -06 (4) -06 (4) -06 (4) -06 (4) -06
20 Pawl     -20      
21 Spring, Pawl*     -21      
22 Sleeve, Pawl     -22      
23 Knob, Ratchet     -23      
24 Screw, Retainer     -24      
25 Assy, Ratchet     -25      
26 Reaction Bar* -16 -16 -16 -16 -16 -16
27 Lube Pack* -17 -17 -17 -17 -17 -17
     * Not Shown in Parts Diagram


X-4 TORQUE MULTIPLIER PARTS DIAGRAM
(MODEL MOR.JM-1200)

torque multiplier


X-4 TORQUE MULTIPLIER PARTS LIST
(MODEL MOR.JM-1200)

Drawing
Item		 Part
Description		 Part No.
1 Input Pinion -02
2 Input "O" Ring -10
3 Input Carrier -04
4 Dowel Pins (4) -08
5 Housing "O" Ring (2) -09
6 Carrier "O" Ring -27
7 Input Retainer (2) -07
8 Planet Pinion (4) -03
9 Spacer (2) -26
10 Housing -01
11 Output Stub -05
12 Special Screw (4) -06
13 Carrier, 2nd -28
14 Sun Pinion, 2nd -29
15 Planet Pinion, 2nd (4) -30
16 Housing, 2nd -31
17 Dowel, 2nd (4) -32
18 Screw, Coupling (4) -33
19 Screw (4) -34
26 Reaction Bar* -16
27 Lube Pack* -17
     * Not Shown in Parts Diagram

MATHEMATICS OF THE X-4 TORQUE MULTIPLIER

In most wrench applications the force relationship may be expressed by the following formula:

F x D = T
FORCE x DISTANCE = TORQUE

Where:

F equals turning force in pounds applied by the Operator.

D equals lever arm or wrench handle in inches or feet.

T equals total force applied to wrench head in pound-feet, kilopoint-meters or Newton-meters

When the X-4 Torque Multiplier is used, its mechanical advantage applies a factor to the equation as follows:

F x D x MULTIPLIER
FACTOR		 = T x MULTIPLIER*
FACTOR

It can thus be seen that the same applied force F results in multiple times the total turning force when the X-4 tool is used.

*In actual operation this factor is reduced between 10 and 20% due to normal losses in the tool head.

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March 2022, June 2021, February 2020, updated January 2012 CSS, January 2005

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.

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