Duxford Logo Lister 5/1 Diesel

Sundial Engine Dating - 2HP

(From material supplied by Reg Ingold)

2HP Sundial Engine Production

Year Of Manufacture Serial Number Average Production Qty
1926 100 493
1927 593 493
1928 1086 493
1929 1579 493
1930 2072 493
1931 2565 493
1932 3059 387
1933 3517 388
1934 3975 388
1935 4432 388
1936 4610 596 *
1937 5346 596
1938 5803 351 **
1939 6154 351 **
1940 6508 351 **
1941 6856 351 **
1942 7207 351 **
1943 7559 523 ***
1944 8082 523
1945 8605 523
1946 9128 523
1947 9651 523
1948 10174 526
1949 10700 End of 2hp
NOTES: * Serial No 4610 end of Type A
** War Years, Low Output
*** Colour changed to Green @ No 7259

2HP Sundial Engine - Summary of Changes

Engine HP Type Colour Serial No Main Changes
2hp A Red Below 3050 Carburettor Needle changed X1377 to X1402 (h/n X1205) *
2hp A Red Below 4000 No valve guides in head
2hp A Red Below 4500 Valve guides fitted in head (Head No X1242)
2hp A Red Below 4610 H.V.Mackay on name plate for first time.
2hp B Red From 5803 (Head No 1249) back cover lugs now on inspection plate
2hp B Red Below 6048 Camshaft changed from No X1421 to X1454
2hp B Red From 6101 Lubrication changed from grease to oil
2hp B Red From 6353 (Head No X1265) Outside fill fuel tank, cast cross-members **
2hp B Red Below 7000 Tin tray ended, balance weights in flywheel
2hp B Red Below 7259 End of dull Red finish
2hp B Green From 7559 Kero attachment became available
2hp B Green Below 11000 Very few Changes

NOTES:
* Engine No 3050 magneto wire support change X914 to X1373, Crankcase X1203 to X1372
Engine No 3051 cam wheel changed X1207 to X1229, Cam X1208 to X1230, Rocker arm X1211 to X1228
Inlet & Exhaust valve X1328 to X1387, Rocker Pin X1321 to X1328
Engine No 3056 grease cup body change X838 to X961

** Governor weights changed X1210 to X1264

All Sundials had a rotary magneto of various types
Sundial's Kero attachment could fit earlier models.


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