Here are the specifications for the John Deere 400 Hydrostatic Tractor. You can find the manual here.

Specifications:

• Engine*: 2 Cylinder Kohler K532QS
• Horsepower: 19.9 (14.726 kW)
• Transmission: Hydrostatic
• Rear Axle: Two-speed
• Steering: Hydraulic power assist
• Equipment Lift: Hydraulic
• PTO (Power Take-Off): Belt-driven (Matched set AM35380)

Capacities:

• Fuel Tank: 4-1/2 U.S. gal. (17.034 L)
• Crankcase:
  • 5 U.S. pt. (2.365 L) without filter change
  • 6 U.S. pt. (2.838 L) with filter change
• Transmission (with filter): Approx. 11 U.S. pt. (5.17 L)
• Fuel: Regular grade or non-leaded gasoline with an octane rating of 85 or higher

Lubricants**:

• Crankcase:
  • Summer (above 32°F / 0°C): John Deere Torq-Gard Supreme SAE 30 (1/2 pt. [0.2365 L] AR63979; 1 qt. [0.946 L] AR63218)
    Winter (below 32°F / 0°C): John Deere Torq-Gard Supreme SAE 5W-20 (1/2 pt [0.2365 L] AR63980; 1 qt. [0.946 L] AR63228)
• Hydrostatic System: John Deere All-Weather Hydrostatic Fluid(1 qt. [0.946 L] PT536)
• Grease Fittings: John Deere Multi-Purpose Lubricant

*Manufactured to John Deere specifications.

**Refer to "Lubrication" pages 16 through 19 for equivalent lubricants.

Filters:

• Engine Oil Filter: AM34770
• Air Filter: Dry replaceable-type
• Hydrostatic Fluid Filter: AM35176

Battery:

• John Deere 12-volt (AM31186), BCI Group 22F, 255 cold cranking amps at 0°F (-17°C), 55-minute reserve capacity at 25 amps

Spark Plugs:

• Type: Champion H10 (AM514T), AC 45-L (AM1535T), Prestolite 14-L78 (AT17208), ***Resistor Type: Champion RH10 (AM37129)
• Spark Plug Gap: 0.035 in. (0.8890 mm)
• Breaker Point Gap: 0.020 in. (0.5080 mm)

Ground Travel Speeds (@ 3400 RPM Engine Speed):

• Forward High-Speed: Variable 1/2 to 10-3/4 mph (0.8 to 17.19 km/h)
• Forward Low-Speed: Variable 1/2 to 5-1/2 mph (0.8 to 8.85 km/h)
• Reverse High-Speed: Variable 1/2 to 4 mph (0.8 to 6.44 km/h)
• Reverse Low-Speed: Variable 1/2 to 2 mph (0.8 to 3.22 km/h)

Tires:

• Tire Inflation Pressure: See page 11
• Standard (GT-12):
  • Front: 18 x 8.50-8, 2-ply turf-type
  • Rear: 26 x 12.00-12, 2-ply turf-type
• Extra Equipment (GT-14):
  • Rear: 26 x 12.00-12, 2-ply traction-type

Curb Weight:

• Approximate: 975 lbs. (442.25 kg)

Tread Width:

• Front: 35 in. (88.90 cm)
• Rear (narrow position): 32 in. (81.28 cm)
• Rear (wide position): 37 in. (93.98 cm)

Dimensions:

• Wheel Base: 52 in. (132.08 cm)
• Overall Length: 76 in. (193.04 cm)
• Overall Height: 46 in. (116.84 cm)
• Overall Width (max): 49 in. (124.46 cm)

***In Canada, compliance with radio interference regulations certified. Replace spark plug with resistor-type spark plug only.