Lister B Engine Spec No Information

Listing of information on the Lister B engines based on Spec No's.

Spec Number
Flywheel
Hopper Cooled
Tank Cooled
Industrial
Suction Carburettor

B10, B11, B12, B13, B14, B14a, B14c, Single Yes No No Yes
B50, B51, B52, B53, B54, B54a, B54c, Single No Yes No Yes
B16, B22 Two Yes No No No
B18, B20, B23 Two Yes No Yes Yes
B21 Two Yes No No No
B56 Two No Yes No No
B58, B59, B60, B63 Two No Yes Yes Yes
B61, B62 Two No Yes No No
106/10H, 106/11H
106/12H, 106/13H Two Yes No No No
106/10T, 106/11T
106/12T, 106/13T Two No Yes No No
106/50H, 106/51H
106/52H, 106/53H Two Yes No Yes No
106/50T, 105/51T
106/52T, 106/53T Two No Yes Yes No
B117 Single Yes No Yes Yes
B157 Single No Yes Yes Yes

NOTES:-
1) Industrial Engines from Spec 106/50 onwards onwards have a D shaped Fuel Tank attached by straps to the crankcase.
2) Agricultural Standard engines have a round fuel tank on a wood base and not attached to the engine.
3) Engine Rotation is anti-clockwise as standard, viewed with the magneto on the right. The letter C is stamped on clockwise rotation engine plates.

Flywheel Listing for B series Engines

Flywheel
Diameter
Face
Spec Notes
Quantity

B74 22 inches 2½ inches B10 to B14 A & C, B50 to
B54 A & C, B117, B157 One
A74 18 inches 2½ inches B16 & B56 only One
BA74 18 inches 3¼ inches B18 to B21, B58 to B61 One
2/474
(Replaces B74, A74, BA74) 17½ inches 3¼ inches B22 onwards B62 onwards Two

• Main • Lister Spec Menu •

Spec Number	Flywheel	Hopper Cooled	Tank Cooled	Industrial	Suction Carburettor
B10, B11, B12, B13, B14, B14a, B14c,	Single	Yes	No	No	Yes
B50, B51, B52, B53, B54, B54a, B54c,	Single	No	Yes	No	Yes
B16, B22	Two	Yes	No	No	No
B18, B20, B23	Two	Yes	No	Yes	Yes
B21	Two	Yes	No	No	No
B56	Two	No	Yes	No	No
B58, B59, B60, B63	Two	No	Yes	Yes	Yes
B61, B62	Two	No	Yes	No	No
106/10H, 106/11H 106/12H, 106/13H	Two	Yes	No	No	No
106/10T, 106/11T 106/12T, 106/13T	Two	No	Yes	No	No
106/50H, 106/51H 106/52H, 106/53H	Two	Yes	No	Yes	No
106/50T, 105/51T 106/52T, 106/53T	Two	No	Yes	Yes	No
B117	Single	Yes	No	Yes	Yes
B157	Single	No	Yes	Yes	Yes

Flywheel	Diameter	Face	Spec Notes	Quantity
B74	22 inches	2½ inches	B10 to B14 A & C, B50 to B54 A & C, B117, B157	One
A74	18 inches	2½ inches	B16 & B56 only	One
BA74	18 inches	3¼ inches	B18 to B21, B58 to B61	One
2/474 (Replaces B74, A74, BA74)	17½ inches	3¼ inches	B22 onwards B62 onwards	Two