| Manufacturer | H.V. McKay Massey Harris Pty Ltd |
|---|---|
| Location | Sunshine Harvester Works, Sunshine, Victoria |
| PRODUCTION - 4HP | ||
|---|---|---|
| Year | Serial Number | Average Production |
| 1929 | 1000 | 20* |
| 1930 | 1020 | 20* |
| 1931 | 1040 | 20* |
| 1932 | 1060 | 20* |
| 1933 | 1080 | 20* |
| 1934 | 1100 | 20* |
| 1935 | 1120 | 20* |
| 1936 | 1140 | 83 |
| 1937 | 1223 | 83 |
| 1938 | 1307 | 164 |
| 1939 | 1471 | 164 |
| 1940 | 1635 | 164 |
| 1941 | 1798 | 112+ |
| 1942 | 2022 | 112+ |
| 1943 | 2247 | 242 |
| 1944 | 2489 | 242 |
| 1945 | 2731 | 242 |
| 1946 | 2973 | 242 |
| 1947 | 3215 | 242 |
| 1948 | 3557 | 242 |
| 1949 | 3700 | - |
* Most recalled as soot fell back onto valve
+ War years - low production
| PRODUCTION - 4HP | ||||
|---|---|---|---|---|
| H.P. | TYPE | COLOR | S/No. | MAIN CHANGES |
| 4 | A | red | under 1140 | exh. out of top of head & side exh.# |
| 4 | A | red | under 1140 | exh. out of top of head & side exh.# |
| 4 | A | red | under 1307 | tin crank case cover, grease. (head no.X20336) + |
| 4 | A | red | under 1458 | cast cover, grease, expansion plug in head |
| 4 | A | red | under 1798 | oil, govenor X1473, end of tin tray, exh. support |
| 4 | A | green | about 2185 | dull red to green |
| 4 | A | green | from 2247 | kero attachment started |
| 4 | A | green | under 3650 | very few changes |
| 4 | A | green | under 3700 | Sundial, Victor-used up Victor parts |
| Victor | 4A | red | from 1307 | grease, tin tray, head no.X2036 |
| Victor | 4A | red | from 1458 | oil, tin tray, govenor X1473 |
| Victor | 4A | green | from 2000 | oil solid underneath* |
# (head no.X2004), tin crank cover X2010
+ no expansion plug
* very little known
