Briggs & Stratton number alphabet models and series motors
Listed below are the motors with numbers, numbers and alphabet, models and series, along with the approximate dates that they were manufactured for commercial use:
| Year | Model |
|---|---|
| 1919 to 1923 | The motor wheel model D. |
| 1920 to 1923 | The Flyer model J motor. |
| 1921 to 1923 | The model SD motor. |
Lawn mowers
| Year | Model |
|---|---|
| 1923 February | 65010 (Built for Moto-Mower, PB motor) |
| 1923 November | 65130 (Built for Moto-Mower, PB motor) |
Alphabetic motors
| Year | Motor |
|---|---|
| June 1921 to November 1922 November | The model FB motor. |
| 1923 December-1935 February | The model PB motor used to power the reel-type lawn mowers |
| 1923 June-1924 November | The model FB motor |
| 1924 January-1924 June | The model FC motor |
| 1925 January-1924 November | The model FE motor |
| 1927 January-1924 September | The model FG motor |
| 1925 November | The model FB motor |
| 1927 November-1933 November | The model Q motor |
| November-1933 October | model FI motor. |
| 1927 December-1933 January | The model FJ 1 motor |
| 1929 June-1933 November | The model FB motor. |
| 1930 January-1933 October | The models R, R1, R2, RA, RC, RF, RH & RL motors |
| 1930 January-1932 December | The models L, L1 & LA motors |
| 1930 June-1933 November | The models S & SC motors |
| 1930 May-1934 March | The model FJ 2 motor |
| 1930 August-1931 May | The models T, TA, TC & TF motors |
| 1931 June-1933 May | The models W & WA motors |
| 1931 August-1940 May | The model Y motors |
| 1931 August-1945 | The models Z, ZA, ZAL, ZHLP, ZHP, ZHR-4, ZHR-6, ZL, ZLP, ZM, ZMT, ZP, ZR-4 & ZR-6 motors |
Transmissions — Tractors and Cultivators
| Year | Model |
|---|---|
| 1930-1933 | 60209 |
| 1933 January-1940 November | The models H & HM motors |
| 1933 January-1940 November | The models M, MA, MB, MC, MF, MH & MJ motors |
| 1933 February-1948 November | The models A, AG, AGR, AH, AHL, AHLP, AHMT, AHP, AHR-4, ASHR-6, AL, ALP, ALR-4, ALR-6, AM, AMT, AP, AR-4 & AR-6 motors |
| 1933 February-1940 December | The models K, KA, KLP, KM, KP, KR-4, KR-6, L, L1A and LA motors |
| 1933 February-1940 December | The models B, BH, BHL, BHLP, BHP, BHR-4, BHR-6, BL, BLP, BLP-4, BLP-6 BM, BMG, BP, BR-4 & BR-6 motors |
| 1934 | 60375 (Model A Motor) |
| 1934 | 60351 (Model K Motor) |
| 1935 | 60500 |
| 1936-1937 | 60754 |
| 1936 August-1957 January | The models WI, WIBP, WIPR-6, WR-6, WM, WMB & WMI motors |
Power-chargers
| Year | Model |
|---|---|
| 1936 December-1938 July | PC-WM (100 Watts, Delco Remy, Model WM Motor) |
| 1936 June-1938 December | PC-100(100 Watts, Autolite, Model Y Motor) |
| 1937-1942 | WMG (75 Watts, Model WMG Motor) |
| 1936 June-December 1938 | PC-200 (200 Watts, Autolite, Model Y Motor) |
| 1938 to 1940 | PC-WMB (100 Watts, Delco Remy, Model WMB Motor) |
| 1938 August to December 1944 | PC-300 (300 Watts, Model I Motor) |
| 1938 August to 1944 December | PC-305 (300 Watts, Model I Motor) |
| 1938 August to 1944 December | PC-303 (300 Watts, Model I Motor) |
| 1938 August to 1944 December | PC-307 (300 Watts, Model I Motor) |
| 1938 | WBG - 75 Watts, Model WBG Motor |
| 1938 May-1949 December | Models I, IBPH, IBLP, IL, ILR-6, IM, IMT, IP, IPR-1.6, IPR-6, IR-4, IR-6, and IS motors. |
Mower pushers
| Year | Motor |
|---|---|
| 1938 May-1938 October | 60389 (Model H Motor) |
| 1938 May-1938 October | 60390 (Model H Motor) |
Power-chargers
| Date | Motor |
|---|---|
| 1938-1940 | PC-WMB (100 Watts, Delco Remy, Model WMB Motor) |
| 1938 August-December 1944 | PC-300 (300 Watts, Model I Motor) |
| 1938 August-1944 December | PC-305 (300 Watts, Model I Motor) |
| 1938 August-1944 December | PC-303 (300 Watts, Model I Motor) |
| 1938 August-1944 December | PC-307 (300 Watts, Model I Motor) |
Transmissions — Tractors and Cultivators
| Date | Motor |
|---|---|
| 1938 | 20407 Model B, K or Z Motor 917-5047 |
| 1938 - 1939 | 20430 Model WI Motor 917-5032 |
| 1939 | 25861 917-5154 |
| 1939 | 95265 (Model ZH Motor) 17-5151 |
| 1939 | 95265 (Model ZH Motor) 917-5151 |
| 1940 | 2580 917-50321 |
| 1940 | 25860 917-5155 |
| *1940 | 917-5154 |
| ***January-May 1940 | Shift mechanism was improved |
| **1940 | 25862 917-5044 |
| **January-August 1940 | Brake mechanism was improved |
| 1940 November-1954 March | Models N, NP, NPR, NPR-1, NPR-6, NR-1.39-1, NR-6, NS, & NSPR-6 motors |
| 1940 November-1954 March | Models N, NP, NPR, NPR-1, NPR-6, NR-1.39-1, NR-6, NS, & NSPR-6 motors |
| 1940 September to 1945 December | Models U & UR motors |
| 1940 to 1945 October | Models ZZ, ZZL, ZZLP, ZZMG, ZZP, ZZR-4, & ZZR-6 motors |
Power-chargers
| Date | Motor |
|---|---|
| 1940-1942 | PC-100 -100 Watts, Delco Remy, Model WM or WMB motor |
| 1941 January-1944 October | PC WI 100Watts, Delco Remy, Model WI motor |
| 1941-1941 | PC-IBP (300 Watts, Model IBP motor) |
| 1943 September | PC-304 - 300 Watts, Model I motor |
| 1944 August-1944 December | PC-306 - 300 Watts, Model I motor |