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AAR Approved Draft Gear and Followers Group A ­ M-901, Standard Pocket

What Can Be Applied Group J Group K Group M Group N Group P Group Q Group R

Removed Group A

Remarks Substitution of Groups J, K, P, Q, and R for Group A can be done only with car owner's permission, except when car was built after January 1, 1965 or is equipped with a Type F coupler.

Qualifier *01 *02 *03 *04 *05 *06 *07 *08 *09 *10 *11 *12 *13

Group A Name and Type Miner-A-22-XB, Cylinder D-7935.................. Miner-A-22-XL.......................................... National M-17-A....................................... National M-17-A (Revision No. 1)................. Peerless T-1............................................ Waugh Gould 403..................................... Waugh Gould 403A................................... Waugh Gould 420..................................... Waugh Gould 420A................................... Westinghouse NY-11-E.............................. Westinghouse NY-11-F.............................. Cardwell Westinghouse Mark 40.................. Cardwell Westinghouse Mark 40-A...............

AAR Spec. M-901 M-901 M-901 M-901 M-901 M-901 M-901 M-901 M-901 M-901 M-901 M-901 M-901

Gear Length (inches) 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8

Pocket Length (inches) 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8

*No longer in production.

Group B ­ M-901, Standard Pocket, Requires Two Followers

Removed Group B What Can Be Applied Group J Group K Group M Group N Group P Group Q Group R Remarks Substitution of Groups J, K, P, Q, and R for Group B can be done only with car owner's permission, except when car was built after January 1, 1965 or is equipped with a Type F coupler.

Qualifier *01 *02 *03

Group B Name and Type Miner A 2XB, Cylinder D-7940................... Westinghouse NZ-11-E............................ Westinghouse NZ-11-F............................

AAR Spec. M-901 M-901 M-901

Gear Length (inches) 20 1/8 20 1/8 20 1/8

Pocket Length (inches) 24 5/8 24 5/8 24 5/8

*No longer in production.

AAR Approved Draft Gear and Followers Group C ­ Standard Pocket, Rubber and/or Rubber Friction

What Can Be Applied Group J Group K Group M Group N Group P Group Q Group R

Removed Group C

Remarks Substitution of Groups J, K, P, Q, and R for Group C can be done only with car owner's permission, except when car was built after January 1, 1965 or is equipped with a Type F coupler.

Qualifier *01 *02 *03 *04 *05 *06 *07 *08 *09 *10 *11 *12 *13 *14 *15 *16 *17 18 19

Group C Name and Type Cardwell Westinghouse Type R-20............... National FR-20-18.................................... Miner FR-24-58........................................ National Rubber Cushion MF-260................. National Rubber Cushion MF-260-1............... National Rubber Cushion MF-275................. National Rubber Cushion MF-275-1............... National Rubber Cushion MF-400................. National Rubber Cushion MF-400-1............... Waughmat Twin Cushion W M-4-6............... Waughmat Twin Cushion W M-4-6F............. Waughmat Twin Cushion W M-4-6R............. Waugh-Gould 700.................................... Miner RF-333.......................................... Cardwell Westinghouse Mark R-310............. National Rubber Cushion MF400-A............... National Rubber Cushion MF400-A1............. National Rubber Cushion MF491-A............... National Rubber Cushion MF491-A1.............

AAR Spec. M-901A M-901A M-901A M-901A M-901A M-901A M-901A M-901A M-901A M-901A M-901A M-901A M-901 M-901 M-901D M-901D M-901D M-901D M-901D

Gear Length (inches) 20 1/8 20 1/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 22 3/8 22 3/8 22 3/8 24 5/8 24 5/8 24 5/8 24 5/8

Pocket Length (inches) 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8

*No longer in production.

Group D ­ M-901, Short Pocket

Removed Group D What Can Be Applied Group D Group E Remarks only with Pocket Length (inches) 18 1/2 18 1/2 18 1/2 17 1/2

Bill per Rule 72. Substitution of Group E for Group D can be done car owner's permission. Gear Group D AAR Length Name and Type Spec. (inches) *Cardwell V-18......................................... M-901 16 5/8 Miner A-69XB........................................... M-901 16 5/8 *Waugh-Gould 451.................................... M-901 16 1/4 *Miner-A100-D.......................................... M-901 15 5/8

*No longer in production.

AAR Approved Draft Gear and Followers Group E ­ Short Pocket, Rubber and/or Rubber Friction

Removed Group E What Can Be Applied Group E Group D Remarks Bill per Rule 72. Gear Length (inches) 18-1/2 17 1/2 17 1/2

17 1/2 17 1/2 18 1/2 18 1/2 16 5/8 17 1/2 17 1/2 18 1/2 16 5/8

Qualifier *01 *02 *03

*04 *05 *06 *07 *08 *09 *10 *11 *12

Group E Name and Type Miner-FR-100-S....................................... Miner-FR-100.......................................... Miner-FR-100-1.......................................

National Type-MF-290...................................... National Type-MF-290A.................................... National Type-MF-294...................................... National Type-MF-294-A................................... Cardwell Westinghouse R-18............................ Cardwell Westinghouse R-17............................ Cardwell Westinghouse R-175........................... Cardwell Westinghouse R-185........................... Miner Type FR-69...........................................

AAR Spec. M-901A M-901A M-901A

M-901A M-901A M-901A M-901A M-901A M-901A M-901A M-901A M-901A

Pocket Length (inches) 18-1/2 17 1/2 17 1/2

17 1/2 17 1/2 18 1/2 18 1/2 18 1/2 17 1/2 17 1/2 18 1/2 18 1/2

13 14 15 16

National MF 491B..................................... National MF 491-B3.................................. National MF 491-D.................................... National MF 491-D-3.................................

M-901D M-901D M-901D M-901D

18 1/2 18 1/2 17 1/2 17 1/2

18 1/2 18 1/2 17 1/2 17 1/2

*No longer in production.

Group F (Vacant) Group G (Vacant) Group H ­ M-901C, 4¾ Inch Travel, 36 Inch Pocket, Friction

Removed Group H What Can Be Applied Remarks Contact car owner for instructions. AAR Spec. M-901C M-901C Gear Length (inches) 33 3/4 33 3/4 Pocket Length (inches) 36 36

Qualifier *01 *02

Group H Name and Type Cardwell Westinghouse Type Mark 80........... Miner RF-75.............................................

*No longer in production.

Group I (Vacant) Group J ­ M-901E, 3¼ Inches Travel, Standard Pocket

Removed Group J What Can Be Applied Group J Group K Group M Group N Group P Group Q Group R Remarks Substitution of Groups K, P, Q, and R for Group J can be done only with car owner's permission.

AAR Approved Draft Gear and Followers

Group J Name and Type Cardwell Westinghouse Mark R500.............. Miner RF 444........................................... National NC-440....................................... Dresser Inds., Waugh Type 650................... Dresser Inds., Waugh Type 650-1................ National NC-660....................................... Dresser Inds., Waugh Type 735................... Cardwell Westinghouse Type Mark 50......... National NC-550....................................... National NC-440-1.................................... Miner SL-76............................................ Miner TF-880.......................................... Miner SF-79............................................ Miner SF-81............................................ National NC-660A.................................... Miner Crown SE....................................... Cardwell Westinghouse Mark 325................ Keystone XK-25....................................... Stucki PowRGuard XE.............................. AAR Spec. M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E M-901E Gear Length (inches) 22 3/8 22 3/8 24 5/8 24 5/8 24 5/8 22 3/8 22 3/8 22 3/8 22 3/8 24 5/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 Pocket Length (inches) 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8

Qualifier 01 03 *04 *05 *06 *08 *09 10 *11 *12 13 14 *15 *16 *17 18 19 *20 21

*No longer in production.

Group K ­ M-901G, 3¼ inch Travel, Standard Pocket

Removed Group K Remarks Substitution of Groups J, Q, and R for Group K can be done only with car owner's permission. When substituting Group J for Group K, verify compliance with car weight limitations of Section 3 of Rule 88 of AAR Office Manual. Gear Pocket Group K AAR Length Length Name and Type Spec. (inches) (inches) Miner SR-24............................................ M-901G 24 5/8 24 5/8 Cardwell Westinghouse Mark H-60............... M-901G 22 3/8 24 5/8 Miner SR-24F.......................................... M-901G 24 5/8 24 5/8 Miner Crown TG....................................... M-901G 22 3/8 24 5/8 Miner Crown SG....................................... M-901G 22 3/8 24 5/8 Keystone K-2500....................................... M-901G 22 3/8 24 5/8 Cardwell Westinghouse Mark 558................. M-901G 22 3/8 24 5/8 Stucki PowRGuard GX............................... M-901G 22 3/8 24 5/8 Cardwell Westinghouse Mark 75G................ M-901G 22 3/8 24 5/8 What Can Be Applied Group J Group K Group Q Group R

Qualifier *01 02 *03 04 05 *06 07 08 09

*No longer in production.

Group L ­ M-901H, 4¾ Inch Travel, 36 Inch Pocket

Removed Group L What Can Be Applied Remarks Contact car owner for instructions. AAR Spec. M-901H M-901H Gear Length (inches) 36 36 Pocket Length (inches) 36 36

Qualifier *01 *02

Group L Name and Type Miner SR-36............................................. Miner SR-36F...........................................

*No longer in production.

AAR Approved Draft Gear and Followers Group M ­ M-901E, 2¾ Inch Travel, Standard Pocket, Friction

Removed Group M What Can Be Applied Group J Group K Group M Group N Group P Group Q Group R Remarks Substitution of Groups J, K, N, P, Q, and R for Group M can be done only with car owner's permission, except when car was built after January 1, 1965 or is equipped with a Type F coupler.

Qualifier *01 *02 *03 *04 05 06 07

Group M Name and Type Dresser Inds., Waugh Type 730E.................... Miner RF-361.............................................. Miner CF-7-24............................................. Cardwell Westinghouse Mark M...................... Cardwell Westinghouse Mark L....................... Cardwell Westinghouse Mark L-R.................... Vacant.......................................................

AAR Spec. M-901E M-901E M-901E M-901E M-901E M-901E

Gear Length (inches) 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8 22 3/8

Pocket Length (inches) 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8 24 5/8

*No longer in production.

Group N ­ M-901E, 2¾ Inch Travel, Standard Pocket, Hydraulic Friction

Removed Group N What Can Be Applied Group J Group K Group M Group N Group P Group Q Group R Remarks Substitution of Groups J, K, M, P, Q, and R for Group N can be done only with car owner's permission, except when car was built after January 1, 1965 or is equipped with a Type F coupler. Bill per Rule 72. Gear Length (inches) 22 3/8 Pocket Length (inches) 24 5/8

Group N Name and Type *Cardwell Westinghouse Mark L-H.............. *No longer in production.

AAR Spec. M-901E

Group P ­ M-901K, 3¼ Inch Travel, Standard Pocket, Hydraulic

Removed Group P What Can Be Applied Group K Group P Group Q Group R Remarks Substitution of Group K, Q, and R for Group P can be done only with car owner's permission. Bill per Rule 72. AAR Spec. M-901K Gear Length (inches) 22 3/8 Pocket Length (inches) 24 5/8

Group P Name and Type Oleo Pneumatics Ltd. Hycon...................

AAR Approved Draft Gear and Followers Group Q ­ M-901G, 4¼ Inch Travel, Standard Pocket, All-rubber, Non-friction, Integral Yoke and Follower

Removed Group Q What Can Be Applied Group Q Group R Group K Group J Remarks Substitution of Group R, Group K, or Group J for Group Q can be done only with car owner's permission. When substituting Group J for Group Q, verify compliance with car weight limitations of Section 3 of Rule 88 of AAR Office Manual. Bill per Rule 72. Group Q Name and Type ASF-Keystone E-425G Twin-Pack Draft System.. ASF-Keystone F-425G Twin-Pack Draft System.. ASF-Keystone R-425G Twin-Pack Draft System.. AAR Spec. M-901G M-901G M-901G Gear Length (inches) 24 5/8 24 5/8 24 5/8 Pocket Length (inches) 24 5/8 24 5/8 24 5/8

Qualifier *01 02 03

*E-425G requires a special carrier plate. Contact car owner for instructions.

Group R ­ M-901G, 3¼ Inch Travel, Standard Pocket, All-rubber, Non-friction, Integral Yoke and Follower

Removed What Can Be Applied Group R Group Q Group K Group J Remarks Substitution of Group Q, Group K, or Group J for Group R can be done only with car owner's permission. When substituting Group J for Group R, verify compliance with car weight limitations of Section 3 of Rule 88 of AAR Office Manual. Bill per Rule 72. Group R Name and Type ASF-Keystone E-325G Twin-Pack Draft System.. ASF-Keystone F-325G Twin-Pack Draft System.. ASF-Keystone R-325G Twin-Pack Draft System. AAR Spec. M-901G M-901G M-901G Gear Length (inches) 24 5/8 24 5/8 24 5/8 Pocket Length (inches) 24 5/8 24 5/8 24 5/8

Group R

Qualifier *01 02 03

*E-325G requires a special carrier plate. Contact car owner for instructions.

Group Z ­ Obsolete or Unidentifiable

Removed Group Z What Can Be Applied Contact car owner for what can be applied. Remarks Bill per Rule 72.

Qualifier 01

Group Z Name and Type Obsolete (any name or type)......................

AAR Spec. Any

Gear Length (inches) All

Pocket Length (inches) All

Information

A

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