Description:
Serial Number Information
| Year |
Starting Serial Number |
| 1993 |
100000 |
| 1994 |
117697 |
| 1995 |
135565 |
| 1996 |
153567 |
| 1997 |
177240 |
Location: The serial number plate is typically mounted on the right side of the tractor frame, just ahead of the rear axle.
Key Specifications
| Feature |
Specification |
| Engine |
4.5L (276 cu in) 4-cylinder diesel |
| Horsepower |
Approx. 100 HP (74.6 kW) |
| PTO Power |
Approx. 90 HP (67.1 kW) |
| Operating Weight |
7,607 – 9,985 lbs (3,450 – 4,529 kg) |
| Transmission Options |
12F/4R Sync or 16F/16R Partial Power Shift |
| Wheelbase |
94.5 in (240 cm) |
Hydraulic System
| Feature |
Specification |
| Type |
Closed-center Pressure Flow Compensated |
| Pump Flow (Standard) |
18.7 GPM (70.8 L/min) |
| Pump Flow (Optional) |
25 GPM (94.6 L/min) |
| 3-Point Hitch |
Category II |
| Lift Capacity |
5,915 lbs (2,683 kg) |
Tire Options
| Axle Configuration |
Front Tires |
Rear Tires |
| 2WD |
7.50-18 |
18.4-34 |
| 4WD |
13.6-24 |
18.4-34 |
Key Features
Efficient Power and Control
The 100 HP diesel engine combined with PTO power around 90 HP makes the JD 6400 ideal for PTO-intensive implements like balers and mowers.
Transmission Flexibility
Choose between a 12-speed synchronized gearbox or a 16-speed partial power shift for smooth field operation and road transport.
Strong Hydraulics for Loader Work
The closed-center hydraulic system offers reliable flow to loaders and rear implements, with optional 25 GPM pump for high-demand attachments.
Balanced and Comfortable
With a nearly 10,000 lb max weight and long wheelbase, the 6400 offers excellent ride quality and implement handling.
Common Replacement Parts
Keep your 6400 field-ready with essential components available at Broken Tractor:
Engine Components
Fuel injectors, thermostats, head gaskets, water pumps, air filters
Transmission & Clutch
Clutch discs, shift forks, synchronizers, power shift solenoids
Hydraulics
SCV valves, hydraulic pump kits, loader joystick controls, cylinders
3-Point & PTO
Top links, hitch arms, stabilizers, PTO shaft seals, PTO clutch assemblies
Cab & Electrical
Instrument clusters, ignition switches, lighting harnesses, seat assemblies
Maintenance Schedule
| Task |
Recommended Interval |
| Engine Oil & Filter |
Every 250 hours |
| Transmission & Hydraulic Filter |
Every 500 hours |
| Fuel Filter Service |
Every 250 hours |
| Grease Front Axle & 3-Point |
Daily or every 10 hours |
| Coolant System Service |
Every 1,000 hours or annually |
| Cab Filter & A/C Check |
Seasonally or every 200 hours |