John Deere 400 Hydrostatic Tractor Specifications

About this model:
The John Deere 400 Hydrostatic is a heavy-duty garden tractor designed for mowing, snow removal, and year-round property maintenance. Known for its smooth hydrostatic drive, hydraulic lift, and robust Kohler twin-cylinder engine, the 400 remains one of the most capable garden tractors produced by John Deere.

Engine Specifications

Manufacturer	Kohler
Engine Model	K532QS
Cylinders	2
Horsepower	19.9 hp (14.7 kW)
Fuel Type	Regular or unleaded gasoline (85 octane or higher)

Drivetrain & Controls

Transmission	Hydrostatic
Rear Axle	Two-speed
Steering	Hydraulic power assist
Equipment Lift	Hydraulic
PTO	Belt-driven (matched belt set AM35380)

Capacities

System	Capacity
Fuel Tank	4.5 U.S. gal (17.0 L)
Engine Crankcase	5 U.S. pt (2.37 L) without filter 6 U.S. pt (2.84 L) with filter
Hydrostatic Transmission (with filter)	Approx. 11 U.S. pt (5.17 L)

Lubricants

System	Recommended Lubricant
Engine Crankcase (Summer)	John Deere Torq-Gard Supreme SAE 30
Engine Crankcase (Winter)	John Deere Torq-Gard Supreme SAE 5W-20
Hydrostatic System	John Deere All-Weather Hydrostatic Fluid
Grease Fittings	John Deere Multi-Purpose Lubricant

Filters

System	Part / Type
Engine Oil Filter	AM34770
Air Filter	Dry, replaceable type
Hydrostatic Fluid Filter	AM35176

Electrical System

Battery	12-volt (AM31186), Group 22F, 255 CCA
Spark Plug Gap	0.035 in (0.89 mm)
Breaker Point Gap	0.020 in (0.51 mm)

Ground Travel Speeds (@ 3400 RPM)

Direction	Speed Range
Forward (High)	0.5 – 10.75 mph
Forward (Low)	0.5 – 5.5 mph
Reverse (High)	0.5 – 4.0 mph
Reverse (Low)	0.5 – 2.0 mph

Dimensions & Weight

Wheelbase	52 in (132 cm)
Overall Length	76 in (193 cm)
Overall Height	46 in (117 cm)
Overall Width (max)	49 in (124 cm)
Curb Weight	Approx. 975 lb (442 kg)

Tires

Position	Specification
Front	18 × 8.50-8, 2-ply turf
Rear	26 × 12.00-12, 2-ply turf

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