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.

• JUMP DOWN TO PARTS LIST
• HOW TO ORDER PARTS FROM LIST

Diagram #	Order	Product ID	Description
1	N/A	N/A	BODY ASSEMBLY(# 371 & 375 GM/AF)
	N/A	N/A	BODY ASSEMBLY(# 372)
	N/A	N/A	BODY ASSEMBLY(# 375 TEXAS & PACIFIC)
	N/A	N/A	BODY ASSEMBLY(# 377)
	N/A	N/A	BODY ASSEMBLY(# 21234)
	N/A	N/A	BODY ASSEMBLY(# 21831)
		PA11512	HORN
		PA11518	HEADLIGHT LENS
	N/A	N/A	HANDRAIL
2		PA8999	14v BULB
3		PA11685	RESISTOR (#s 375 T&P & 375 GM/AF)
4		PA11A991	CONDENSER (#s 375 T&P & 375 GM/AF)
5		XA12B144@	SPEAKER (#s 375 T&P & 375 GM/AF)
6		S322	SCREW (#s 375 T&P & 375 GM/AF)
7		P10800A	RETAINING RING
8		W83	WASHER (#s372, 375/374, 377/378, 21831)
		W2A28	SPRING WASHER (#s 21234 & 21831)
9		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/A	N/A	STEEL 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/A	N/A	DRUM
	N/A	N/A	REMOTE CONTROL UNIT (2-position #s 21234 & 21831)
12		S171	SCREW
13	N/A	N/A	END RAIL ASSEMBLY
		PA11B913@	END CASTING
		PA11517@	END RAIL FENCE
14	N/A	N/A	CHASSIS ASSEMBLY (sheet metal #s 371, 375 GM/AF )
		PA11509R@	OIL TANK (right)
		PA11509L@	OIL TANK (left)
	N/A	N/A	CHASSIS ASSEMBLY (sheet metal # 375/374)
	N/A	N/A	CHASSIS ASSEMBLY (die cast #s 372 & 375/734)
	N/A	N/A	CHASSIS ASSEMBLY (die cast # 377/378)
	N/A	N/A	CHASSIS ASSEMBLY (die cast # 21234)
	N/A	N/A	CHASSIS 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/A	N/A	STEEL WASHER (non-motor end #s 21234 & 21831)
17		S230B	SCREW
	N/A	N/A	SCREW ( #s 21234 & 21831)
18		PA11441	WORM COVER
19		PA11453	BEARING STRAP
20		XA11684	BRUSH HOLDER ASSEMBLY
		PA11684	BRUSH
		PA10132	BRUSH HOLDER
21	N/A	N/A	BRUSH 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/A	N/A	FIELD ASSEMBLY (#s 371 & 375GM/AF)
		XA13A036	FIELD ASSEMBLY (#s 372, 375/374, 377/378, 21234 & 21831)
24	N/A	N/A	ARMATURE ASSEMBLY (#s 371, 375GM/AF, 372, & 375/374)
	N/A	N/A	ARMATURE ASSEMBLY (#s 377/378, 21234 & 21831)
25	N/A	N/A	TRUCK CHASSIS & WHEEL ASSEMBLY (#s 371, 375GM/AF & 375/374)
		PA11343@	SOLID WHEEL
		XA11473	INSULATED WHEEL
	N/A	N/A	PULL-MOR WHEEL
		PA10006	GEAR AXLE
		PA11447	WORM GEAR
		PA11463	THRUST PLATE
		XA12A074RP	TRUCK CHASSIS & WHEEL ASSEMBLY (#s 372, 377/378, 21234 & 21831)
	N/A	N/A	SOLID WHEEL
	N/A	N/A	PULL-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/A	N/A	TRUCK & 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/A	N/A	TRUCK SIDE & COLLECTOR ASSEMBLY (#s 371, 375GM/AF & 375/374)
		PA12A586	COLLECTOR FRAME
		PA11677A	PICKUP SHOE
		PA11533	SPRING
	N/A	N/A	TRUCK 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/A	N/A	WHEEL & CHASSIS ASSEMBLY (#s 377/378 & 21831)
	N/A	N/A	SOLID WHEEL
		XA14870	INSULATED WHEEL
		PA15226	PLAIN AXLE
	N/A	N/A	WHEEL & CHASSIS ASSEMBLY (# 21234)
	N/A	N/A	SOLID WHEEL
		XA14870	INSULATED WHEEL
		PA15226	PLAIN AXLE
		PA15225	GEAR AXLE
		PA15A446	CAM
36	N/A	N/A	BODY ASSEMBLY(# 374 DUMMY)
	N/A	N/A	BODY ASSEMBLY(# 378 DUMMY)
		PA11512	HORN
		PA11518	HEADLIGHT LENS
	N/A	N/A	HANDRAIL
37		XA11596A	WHEEL & CHASSIS ASSEMBLY (# 374 DUMMY)
		PA11343@	SOLID WHEEL
		XA11473	INSULATED WHEEL
		PA10005	PLAIN AXLE
		XA14A931	WHEEL & CHASSIS ASSEMBLY (# 378 DUMMY)
	N/A	N/A	SOLID WHEEL
		XA14870	INSULATED WHEEL
		PA15226	PLAIN AXLE
38	N/A	N/A	TRUCK SIDE & BOTTOM PLATE ASSEMBLY(# 374 DUMMY)
	N/A	N/A	TRUCK SIDE & COLLECTOR ASSEMBLY (# 378 DUMMY)
		PA12A586	COLLECTOR FRAME
		PA11677A	PICKUP SHOE
		PA11533	SPRING
(#s 39-47) DIESEL ROAR ASSEMBLY (# 378 DUMMY LOCO ONLY)	N/A	N/A
39	N/A	N/A	RESISTOR
40	N/A	N/A	DIESEL SOUND GENERATOR
41		PA10209	BUSHING
42		XA14A127C@	SPEAKER
	N/A	N/A	SPEAKER BRACKET
		S171	SCREW
43		PA14A914	CONDENSER
44	N/A	N/A	SCREW
45		W55B	FIBRE WASHER
46	N/A	N/A	LOCKWASHER
47		N25	NUT
(#s48-51) AUTOMATIC RINGING BELL ASSEMBLY (# (21)234 ONLY)	N/A	N/A
48	N/A	N/A	BELL & BRACKET ASSEMBLY
49	N/A	N/A	TENSION SPRING
50	N/A	N/A	PIN
51	N/A	N/A	SPRING & BRACKET ASSEMBLY
(NOT SHOWN):	N/A	N/A
	N/A	N/A	4 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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