Specifications

OMM144042

Issue D0

Lawn and Garden Tractors

425 and 445

Serial No. (070001 -)

Introduction

Product Identification

Safety

Operating

Replacement Parts

Service Interval Chart

Service Lubrication

Service Engine

Service Transmission

Service Electrical

Service Miscellaneous

Troubleshooting

Storing Machine

Assembly

Specifications

Recommended Lubricants

Warranty

John Deere Quality Statement

Service Record

Specifications

Engine

Model 425

Make Kawasaki

Model Number FD620D-AS02

Horsepower 14.9 kW (20 hp)

Cylinders Two

Stroke/Cycle Four

Displacement 617 cc (37.7 cu in)

Bore 76 mm (2.99 in)

Compression Ratio 9.0

Speed (fast idle), no load 3550 rpm

Speed (slow idle), no load 1450 rpm

Lubrication Full pressure

Oil Filter Full flow (replaceable)

Air Cleaner Replaceable element with pre-cleaner

Cooling System Liquid-cooled

Engine

Model 445

Make Kawasaki

Model Number FD620D-AS01

Horsepower 16.4 kW (22 hp)

Cylinders Two

Stroke/Cycle Four

Displacement 617 cc (37.7 cu in)

Bore 76mm (2.99 in)

Compression Ratio 10.3

Speed (fast idle), no load 3550 rpm

Speed (slow idle), no load 1450 rpm

Lubrication Full pressure

Oil Filter Full flow (replaceable)

Air Cleaner Replaceable element with pre-cleaner

Cooling System Liquid-cooled

Fuel System

Fuel See Filling Fuel Tank in the Service - Miscellaneous section.

Fuel Filter Replaceable - paper element

Fuel Pump Electric

Fuel Delivery

·425 Carburetor

·445 Fuel injected

Electrical System

Type 0.8kW (12 volt Electric Start)

Charging System Alternator, 20 amp

Battery 340 CCA (cold cranking amps)

Capacities

Fuel Tank 24.6L (6.5 Gal)

Transaxle (with filter)

·Two wheel steer 6.6 L (7.0 Qt)

·All wheel steer 5.7 L (6.0 Qt)

Cooling System 2.8 L (3.0 Qt)

Engine Oil 1.4 L (1.5 Qt)

Drive Train

Transaxle 2-Pedal Hydrostatic Foot Control

Manufacturer Kanzaki

Number of Speeds Infinite

Travel Speeds

Forward

·23" tires 0 to 12 km/h (0 to 7.5 mph)

·26" tires 0 to 13.7 km/h (0 to 8.5 mph)

Reverse

·23" tires 0 to 6 km/h (0 to 4.0 mph)

·26" tires 0 to 6.8 km/h (0 to 4.25 mph)

Steering and Brakes

Brakes Type Internal wet disc

Steering Hydrostatic Power4-Position Tilt Steering Wheel

Dimensions - 425

Overall Height

With 23" tires 1166 mm (46.0 in)

Overall Width

Narrow Position w/23" tires 1138 mm (45 in)

Wide Position w/23" tires 1195 mm (47 in)

26" tires 1250 mm (49 in)

Overall Length 1905 mm (75 in)

Wheelbase

All Wheel Steer 1255 mm (49.4 in)

Two Wheel Steer 1280 mm (50.4 in)

Net Weight

Two Wheel Steer 365 kg (805 lbs)

All Wheel Steer 408 kg (900 lbs)

Sound Rating

Operator's Ear 79 dBa

Dimensions - 445

Overall Height

With 23" tires 1270 mm (50.0 in)

With 26" tires 1308 mm (51.5 in)

Overall Width

Narrow Position w/23" tires 1138 mm (45 in)

Wide Position w/23" tires 1195 mm (47 in)

26" tires 1250 mm (49 in)

Overall Length 1905 mm (75 in)

Wheelbase

All Wheel Steer 1255 mm (49.4 in)

Two Wheel Steer 1280 mm (50.4 in)

Net Weight 370 kg (815 lbs)

Sound Rating

Operator's Ear 79 dBa

Tires - 425

Front Tubeless 16 x 7.50 - 8

Rear Tubeless 23 x 10.50 - 12

Tires - 445

Front Tubeless 18 x 8.50 - 8

Rear Tubeless 26 x 12.00 - 12

Recommended Lubricants

Engine Oil John Deere TURF-GARD

Engine Coolant Pre-Diluted Diesel Engine Anti-Freeze/Summer Coolant

Transmission Oil John Deere Low Viscosity HY-GARD (J20D)

Grease

John Deere MOLY HIGH TEMPERATURE EP GREASE

John Deere HIGH TEMPERATURE EP GREASE

(Specifications and design subject to change without notice.)