John Deere 9400T
The John Deere 9400T is a tractor produced by John Deere. It is equipped with a 765 ci 12.5 L engine. The listed engine power is Diesel (listed): 425 hp / 316.9 kW. Transmission: PowrSync. Drive type: crawler. Operating weight: 42,620 lbs 19332 kg.
Overview
![]() | 2000 - 2001
9000 SeriesAgricultural Crawler tractor
9000 Series
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Agricultural Crawler tractor | |
Built in Waterloo, Iowa, USA | |
Variants | |
|---|---|
9400 | wheeled tractor |
9400T | crawler |
John Deere 9400T Engine | |
|---|---|
John Deere 12.5L 6-cyl diesel | |
Engine details ... |
John Deere 9400T Transmission | |
|---|---|
24-speed partial power shift | |
Transmission details ... |
John Deere 9400T Power | |
|---|---|
Engine | 425 hp
316.9 kW |
Drawbar (tested) | 323.43 hp
241.2 kW |
PTO (tested) | 346.53 hp
258.4 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Drive | crawler |
Steering | electro-hydraulic |
Wet disc brakes | |
Cab standard | |
Tractor hitch | |
|---|---|
Rear Type | III,IV |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 1000 |
Dimensions & Tracks | |
|---|---|
Weight | 42,620 lbs
19332 kg |
Tracks | |
Full dimensions and tracks ... | |
References | |
|---|---|
![]() | |
9000/9000T Series Tractors Product Information Handbook published in 1999, by John Deere |
Engine
Engine Detail — 765 ci / 12.5 L Diesel
Manufacturer | John Deere |
Configuration | turbocharged diesel, 6-cylinder, liquid-cooled vertical |
Displacement | 765 ci
12.5 L |
Bore/Stroke | 5.00x6.50 inches
127 x 165 mm |
Power | 425 hp
316.9 kW |
Air cleaner | dual paper elements |
Compression | 17:1 |
Rated RPM | 2100 |
Starter volts | 12 |
Transmission
Transmission — PowrSync
Transmission | PowrSync |
Type | partial power shift |
Gears | 24 forward and 6 reverse |
Dimensions
John Deere 9400T Tracks |
|---|
Dimensions | |
|---|---|
Weight | 42,620 lbs
19332 kg |
Tests
OCED Tractor Test 1791 | |
|---|---|
Diesel 24-speed crawler
March 27 - April 13, 2001
Link: OCED Tractor Test 1791 file | |
PTO performance | |
Max power | 346.53 hp
258.4 kW |
Fuel use | 18.8 gal/hour
71.2 l/hour |
Power at rated engine speed | 299.66 hp
223.5 kW |
Fuel use | 17.7 gal/hour
67.0 l/hour |
Power at rated PTO speed | 331.95 hp
247.5 kW |
Fuel use | 17.9 gal/hour
67.8 l/hour |
Drawbar performance | |
Max power | 323.43 hp
241.2 kW |
Fuel use | 20.1 gal/hour
76.1 l/hour |
Max pull | 42,421 lbs
19242 kg |
Gear 1 used for pull test. | |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 9400T based on its 425 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 9400T.
Estimated Continuous Field Runtime: 0.9 hrs
Approximately 0.9 hours of continuous field operation at ~75% rated power on a full tank (20.1 gal / 76.1 L).
Engine Crankcase Oil
Transmission & Hydraulic System
Engine Cooling System
John Deere 9400T Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 9400T.
Converted Equivalents:
Direct Competitor Comparison
Compare John Deere 9400T against same-era industry alternatives in the same horsepower class.
John Deere 9400T
Related models
John Deere 8R 340
- Power:
- 340
- Production years:
- 2019 - 2026
John Deere 8345R
- Power:
- 345
- Production years:
- 2014 - 2019
John Deere 8345RT
- Power:
- 345
- Production years:
- 2014 - 2019
John Deere 7R 350
- Power:
- 350
- Production years:
- 2021 - 2026
John Deere 8870
- Power:
- 350
- Production years:
- 1993 - 1996

