Briggs & Stratton MB (18 HP) owner manual Blade Drive, Tire Size, Tire Pressure

Specifications

MODEL	MB
TRANSMISSION (continued)
Transmission Fluid
Factory Service	20W50 Multi-Viscosity Motor Oil (Minimum SL Grade Oil)
Transmission Fluid Capacity	79 fl oz (2336 ml)
Transmission Cooling	Cooling Fan Mounted on Drive Pulley
Ground Travel Speed
Forward m.p.h. (km/h)	0-8 (0-13)	Infinitely Variable
Reverse m.p.h. (km/h)	0-8 (0-13)	Infinitely Variable
BLADE DRIVE
PTO Shaft	Sliding Spline Shaft with Two (2) High-Speed U-Joints
Blade Spindle	Each Blade (2) Mounts Direct on Peerless Right Angle
	Gearbox with Tee Gearbox in Center Connected to PTO Shaft
	(Complete Geared Drive, Peerless Model 1000 Gearboxes)
Blade Drive Clutch and Brake	12V Electrical (Electromagnetic Clutch and Brake) Switch
	Operated [Stops Blades within Five (5) Seconds of
	Disengagement]
Max. Blade Speed	2900 RPM
[22 in. (56 cm) Blade] @ 3600	[16700 FPM (5090 m/min)]
RPM Engine
TIRE SIZE
Deck Caster Wheel	2.80/2.50-4 Pneumatic (4-Ply)
Deck Caster Wheel (Optional)	8.25 x 2.75 (Semi-Pneumatic)
Drive	18 x 8.50-10 (4-Ply)
Rear	13 x 6.50-6 (4-Ply)
TIRE PRESSURE
Deck Caster Wheel	20 PSI (137 kPa)
Drive	15 PSI (103 kPa)
Rear	20 PSI (137 kPa)
DIMENSIONS (Tractor and Mower)
Length
	82 in. (208 cm)
Width
36 in. (91 cm) SD Model	41-3/4 in. (106 cm)
(with Deflector)
42 in. (107 cm) SD Model	47-3/4 in. (121 cm)
(with Deflector)
48 in. (122 cm) SD Model	53-3/4 in. (137 cm)
(with Deflector)
56 in. (142 cm) SD Model	61-3/4 in. (157 cm)
(with Deflector)

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