This page has been scanned from an old Parts list.
(I do not have any parts, nor do I know where any may be found.)
Spare Parts for the Mayfield Tractor.
Mk 10
Mk 12
Mk 15
Mk 20
MAYFIELD ENGINEERING (CROYDON) LTD
43 CHURCH STREET, DORKING, SURREY
Tel DORKING 4211
Ref. No.
Description of parts
No. per Machine.
28Drive Spindle, state Mk. No. and type of ratchet hubs key and screws or screws only and overall length 1
24Drive Spindle Bearing Bracket 2
24BBushes for Bearing Bracket (3206) 4
43 Grease Nipple (P6) 2
29 Drive Spindle Distance Collar 2
35 5/16" BSF Allen Grubscrew 3/8" long 2
25 Bearing Bracket Plate 1
36 1/2" BSF Setscrew x 1 /1/4" 4
38 1/4" dia. Dowel Pin x 7/8"4
53 1/2" Spring Washer 4
37 3/8" BSF Setscrew x 3/4" 6
50 3/8" Spring Washer 6
20 Locking Plate 2
17 Ratchet Hub (1 L.H. 1 R.H.),state with two grub screws, or key and one grub screw. 2
65 3/8" BSF Allen Grubscrew 1/2" long 2
18 Hub Plate 2
19 Hub Housing 2
33 3/8" BSF Bolt x 1 /3/4" 8
49 3/8" BSF Nut 8
21 Pawl 4
40 Pawl Spring 4
27 Drive Spindle Chainwheel 1
44 1/4" BSF Setscrew x 3/4" 4
45 1/4" dia. Dowel Pin x 5/8" 4
51 1/4" Spring Washer 4
767 1/4" square Key 1 /1/8" long 2
GEAR BOX ASSEMBLY
Ref. No.
Description of parts
No. per Machine.
2 Albion 3-speed Gearbox with change lever state Mk. No.          1
3 Starting Lever          1
12 Gearbox clamp          2
54 Rubber Handgrip          1
56 Clutch Lever          1
57 Clutch Control Cable          1
58 Cable Clip          1
9 Gearbox Platform          1
14 Adjusting Bolt for Gearbox Platform          1
52 1/2" BSF Nut for Adjusting Bolt          2
41 3/8" BSF Bolt x 3 1/2"          1
42 3/8" BSF Bolt x 1"          2
49 3/8" BSF Nut         3
50 3/8" Spring Washer          3
46 3/8" BSF Setscrew x 1 3/4"          1
47 1/4" BSF Nut         1
COUNTERSHAFT ASSEMBLY
Ref. No.
Description of parts
No. per Machine.
8 Countershaft Bearing Bracket          1
8B Bushes for Bearing Bracket (2410)         2
26 Countershaft Spindle with Chainwheel Hub         1
11 Countershaft Chainwheel          1
13 Clamp for item 8          2
15 Countershaft Spocket         1
16 Countershaft Adjusting Screw          1
48 3/16" Square Key x 1" long          1
35 5/16" BSF. Allen Grub Screw x 3/8" long          1
47 1/4" BSF Nut          1
33 3/8" BSF Bolt x 1 3/4" long         2
50 3/8" Spring Washer         2
39 Grease Nipple (P65, cranked)         1
72 1/4" Fibre Washer          1
ENGINE ASSEMBLY
Ref. No.
Description of parts
No. per Machine.
1 Villiers Engine. state Mk. No.         1
33 3/8" BSF. Bolt x 1 3/4" long         2
60 3/8" BSF. Bolt x 2" long         1
49 3/8" BSF. Nut          1
50 3/8" Spring Washer         3
32 Engine Bearing Collar         3
22 Engine Sprocket and 'V' Pulley, state Mk.No.          1
61 3/16" Square Key x 3/4" long          1
35 5/16" BSF. Allen Grub Screw x 3/8" long          2
C/I Special 'C' Washers for adjusting belt          3
366 Throttle Control Cable, state Mk.No.         1
768 Throttle Control Lever,state Mk.No.         1
367 Throttle Control Bridgepiece,state Mk.No.         1
GENERAL ASSEMBLY
Ref. No.
Description of parts
No. per Machine.
23 Main Frame. state Mk. No.         1
30 Handle Bars         1
55 Rubber Handgrip         2
60 3/8" BSF. Bolt x 2" long         2
50 3/8" Spring Washer         4
31 Handlebar Stay         2
37 3/8" BSF. Setscrew x 3/4" long          2
49 3/8" BSF. Nut          2
59 1/4" BSF. Bolt x 3/4" long          2
47 1/4" BSF. Nut          2
51 1/4" Spring Washer          2
5 Primary Chain 3/8" pitch         1
6 Secondary Chain 1/2" pitch         1
7 Final Drive Chain 1/2" pitch          1
52 1/2" BSF. Nut          4
53 1/2" Spring Washer          4
63 Lower Cover, state Mk.No.          1
64 1/4" BSF. Setscrew x 1/2" long          8
51 1/4" Spring Washer          8
62 Primary Chainguard complete, state Mk.No.          1
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