Engines: Briggs&Stratton

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