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EXPLODED PARTS DIAGRAM FOR:
370 Series GM GP-7 Switcher Locomotive 

  • Model With Knuckle Couplers #s 371, 372, 375 (GM Demo. Colors), (21)234 & 21831
  • Power & Dummy Pairs #s 375/374 (Texas & Pacific) & 377/378

Use this diagram to identify the parts you need.  The circled numbers are keyed to the parts list provided below the diagram.

Each part is identified on the diagram by a circled number, which is keyed to the parts list associated with that exploded view. Scroll down the page to view the parts listing for that specific view.

 

Diagram #OrderProduct IDDescription
N/AN/ABODY ASSEMBLY(# 371 & 375 GM/AF) 
 N/AN/ABODY ASSEMBLY(# 372) 
 N/AN/ABODY ASSEMBLY(# 375 TEXAS & PACIFIC) 
 N/AN/ABODY ASSEMBLY(# 377) 
 N/AN/ABODY ASSEMBLY(# 21234) 
 N/AN/ABODY ASSEMBLY(# 21831) 
 PA11512 HORN 
 PA11518 HEADLIGHT LENS 
 N/AN/AHANDRAIL 
PA8999 14v BULB 
PA11685 RESISTOR (#s 375 T&P & 375 GM/AF) 
PA11A991 CONDENSER (#s 375 T&P & 375 GM/AF) 
XA12B144@ SPEAKER (#s 375 T&P & 375 GM/AF) 
S322 SCREW (#s 375 T&P & 375 GM/AF) 
P10800A RETAINING RING 
W83 WASHER (#s372, 375/374, 377/378, 21831) 
 W2A28 SPRING WASHER (#s 21234 & 21831) 
W143 WASHER (#s375/74 & 377/378) 
 W126 STEEL WASHER (# 372) 
10 W124 WASHER(#s 371, 372, 375GM/AF, 375/374, {21234 & 21831 motor end}) 
 N/AN/ASTEEL WASHER (non-motor end #s 21234 & 21831) 
 PA8715B WASHER (#s 377/378) 
11 XA10587E REMOTE CONTROL UNIT (4-position) 
 XA9612BRP BOTTOM FINGER UNIT 
 XA9612CRP TOP FINGER UNIT 
 N/AN/ADRUM 
 N/AN/AREMOTE CONTROL UNIT (2-position #s 21234 & 21831) 
12  S171 SCREW 
13 N/AN/AEND RAIL ASSEMBLY 
 PA11B913@ END CASTING 
 PA11517@ END RAIL FENCE 
14 N/AN/ACHASSIS ASSEMBLY (sheet metal #s 371, 375 GM/AF ) 
 PA11509R@ OIL TANK (right) 
 PA11509L@ OIL TANK (left) 
 N/AN/ACHASSIS ASSEMBLY (sheet metal # 375/374) 
 N/AN/ACHASSIS ASSEMBLY (die cast #s 372 & 375/734) 
 N/AN/ACHASSIS ASSEMBLY (die cast # 377/378) 
 N/AN/ACHASSIS ASSEMBLY (die cast # 21234) 
 N/AN/ACHASSIS ASSEMBLY (die cast # 21831) 
15 S183 SCREW (#s 371, 375GM/AF & 375/374 SHEET METAL CHASSIS) 
 S4N30 SCREW (#s 372, 375/374 DIE CAST CHASSIS, 377/378, 21234 & 21831) 
16 PA8715B FIBRE WASHER (#s 371, 372, 375 GM/AF, 375/374 & 377/378) 
 W124B FIBRE WASHER (motor end #s 21234 & 21831) 
 N/AN/ASTEEL WASHER (non-motor end #s 21234 & 21831) 
17 S230B SCREW 
 N/AN/ASCREW ( #s 21234 & 21831) 
18  PA11441 WORM COVER 
19 PA11453 BEARING STRAP 
20 XA11684 BRUSH HOLDER ASSEMBLY 
 PA11684 BRUSH 
 PA10132 BRUSH HOLDER 
21  N/AN/ABRUSH BRACKET ASSEMBLY (#s 371, 375GM/AF & 375/374) 
 XA11454RP BRUSH BRACKET ASSEMBLY (#s 372, 377/378, 21234 & 21831) 
22 PA11000R@ BRUSH SPRING (right) 
 PA11000L@ BRUSH SPRING (left ) 
23 N/AN/AFIELD ASSEMBLY (#s 371 & 375GM/AF) 
 XA13A036 FIELD ASSEMBLY (#s 372, 375/374, 377/378, 21234 & 21831) 
24 N/AN/AARMATURE ASSEMBLY (#s 371, 375GM/AF, 372, & 375/374) 
 N/AN/AARMATURE ASSEMBLY (#s 377/378, 21234 & 21831) 
25 N/AN/ATRUCK CHASSIS & WHEEL ASSEMBLY (#s 371, 375GM/AF & 375/374) 
 PA11343@ SOLID WHEEL 
 XA11473 INSULATED WHEEL 
 N/AN/APULL-MOR WHEEL 
 PA10006 GEAR AXLE 
 PA11447 WORM GEAR 
 PA11463 THRUST PLATE 
 XA12A074RP TRUCK CHASSIS & WHEEL ASSEMBLY (#s 372, 377/378, 21234 & 21831) 
 N/AN/ASOLID WHEEL 
 N/AN/APULL-MOR WHEEL 
 PA14A890 PULL-MOR TIRE 
 PA15281 GEAR AXLE 
 PA15A218 WORM GEAR 
 PA11463 THRUST PLATE 
26 XA11457 FIELD CLAMP ASSEMBLY (#s 371 & 375GM/AF) 
 PA13034 FIELD CLAMP (#s 372, 375/374, 377/378, 21234 & 21831) 
26A S0  SET SCREW (#s 371 & 375GM/AF) 
 S165 SET SCREW (#s 372, 375/374, 377/378, 21234 & 21831) 
27 XA13A037 YOKE ASSEMBLY (#s 372, 375/374, 377/378, 21234 & 21831) 
28 S230 SCREW (#s 371 & 375GM/AF) 
 S406 SCREW (#s 372, 375/374, 377/378, 21234 & 21831) 
29 PA11455 INSULATING BUSHING 
(#s30-33) N/AN/ATRUCK & COUPLER ASSEMBLY (#s 372, 377/378, 21234 & 21831) 
30 XA12A047@ KNUCKLE COUPLER 
31 PA12355A LEAF SPRING 
32 S3A71 COUPLER SCREW (#s 371, 375GM/AF & 375/374) 
 PA13A791 RIVET (#s 372, 377/378, 21234 & 21831) 
33 N/AN/ATRUCK SIDE & COLLECTOR ASSEMBLY (#s 371, 375GM/AF & 375/374) 
 PA12A586 COLLECTOR FRAME 
 PA11677A PICKUP SHOE 
 PA11533 SPRING 
 N/AN/ATRUCK SIDE & COLLECTOR ASSEMBLY (#s 372, 377/378, 21234 & 21831) 
 PA12A586 COLLECTOR FRAME 
 PA11677A PICKUP SHOE 
 PA11533 SPRING 
34 S249 SCREW 
35 XA11598A WHEEL & CHASSIS ASSEMBLY (#s 371, 372, 375 GM/AF, & 375/374) 
 PA11343@ SOLID WHEEL 
 XA11473 INSULATED WHEEL 
 PA10005 PLAIN AXLE 
 N/AN/AWHEEL & CHASSIS ASSEMBLY (#s 377/378 & 21831) 
 N/AN/ASOLID WHEEL 
 XA14870 INSULATED WHEEL 
 PA15226 PLAIN AXLE 
 N/AN/AWHEEL & CHASSIS ASSEMBLY (# 21234) 
 N/AN/ASOLID WHEEL 
 XA14870 INSULATED WHEEL 
 PA15226 PLAIN AXLE 
 PA15225 GEAR AXLE 
 PA15A446 CAM 
36 N/AN/ABODY ASSEMBLY(# 374 DUMMY) 
 N/AN/ABODY ASSEMBLY(# 378 DUMMY) 
 PA11512 HORN 
 PA11518 HEADLIGHT LENS 
 N/AN/AHANDRAIL 
37 XA11596A WHEEL & CHASSIS ASSEMBLY (# 374 DUMMY) 
 PA11343@ SOLID WHEEL 
 XA11473 INSULATED WHEEL 
 PA10005 PLAIN AXLE 
 XA14A931 WHEEL & CHASSIS ASSEMBLY (# 378 DUMMY) 
 N/AN/ASOLID WHEEL 
 XA14870 INSULATED WHEEL 
 PA15226 PLAIN AXLE 
38 N/AN/ATRUCK SIDE & BOTTOM PLATE ASSEMBLY(# 374 DUMMY) 
 N/AN/ATRUCK SIDE & COLLECTOR ASSEMBLY (# 378 DUMMY) 
 PA12A586 COLLECTOR FRAME 
 PA11677A PICKUP SHOE 
 PA11533 SPRING 
(#s 39-47) DIESEL ROAR ASSEMBLY (# 378 DUMMY LOCO ONLY) N/AN/A 
39 N/AN/ARESISTOR 
40 N/AN/ADIESEL SOUND GENERATOR 
41 PA10209 BUSHING 
42 XA14A127C@ SPEAKER 
 N/AN/ASPEAKER BRACKET 
 S171 SCREW 
43 PA14A914 CONDENSER 
44 N/AN/ASCREW 
45 W55B FIBRE WASHER 
46 N/AN/ALOCKWASHER 
47 N25 NUT 
(#s48-51) AUTOMATIC RINGING BELL ASSEMBLY (# (21)234 ONLY) N/AN/A 
48 N/AN/ABELL & BRACKET ASSEMBLY 
49 N/AN/ATENSION SPRING 
50 N/AN/APIN 
51 N/AN/ASPRING & BRACKET ASSEMBLY 
(NOT SHOWN): N/AN/A 
 N/AN/A4 CONDUCTOR CABLE 

 

HOW TO ORDER PARTS FROM LIST

Each parts list is comprised of four columns: 

  • Diagram # - The key number from the exploded view.
  • Order Button- Click on this button to add part to your order. 
    ( BLUE button = In stock for immediate shipment, 
    RED button = Currently backordered and will be shipped when available, 
    N/A = This part is not available to order from us. )
  • Part # -The Original American Flyer Part Number ( N/A means part is not available from us.  See our book for these part numbers).
  • Description: It is important to note that where various model numbers used different parts the diagram number will refer to several different part numbers listed sequentially below each other. Information as to which part number was used with which model is provided in the description column.

Having identified the first part you need: 

  1. Click on the order button to select that part. This will take you to the shopping cart screen, which displays part information and allows you to entry the quantity you need to order. 
  2. Type in the quantity needed, click add to order.  
  3. A confirmation screen will display. If the information is correct, click continue order.  This will bring you back to the exploded view 
  4. Select the next part to order.

FOR ASSISTANCE CALL: 1-860-223-0600

PARTS LIST

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