New Holland TJ425

The New Holland TJ425 is a tractor produced by New Holland. It is equipped with a 912 ci 14.9 L engine. The listed engine power is Diesel (listed): 425 hp / 316.9 kW. Transmission: synchroshift. Drive type: 4x4 articualted 4WD.

Engine Power

Diesel (listed): 425 hp / 316.9 kW

Drive & Traction

4x4 articualted 4WD

Fuel & Capacities

300 gal 1135.5 L

Transmission

synchroshift

Overview

	2002 - 2005 TJ I SeriesFour-wheel Drive (4WD) tractor TJ I Series Four-wheel Drive (4WD) tractor

Production
Manufacturer	New Holland
Four-wheel Drive (4WD) tractor
Built in Fargo, North Dakota, USA

Variants
STX425	similar CaseIH model

New Holland TJ425 Engine
Cummins 14.9L 6-cyl diesel
Fuel tank	300 gal 1135.5 L
Engine details ...

New Holland TJ425 Power
Engine	425 hp 316.9 kW
PTO (claimed)	370 hp 275.9 kW

Mechanical
Drive	4x4 articualted 4WD
Final drives	inboard planetary
Hydraulic wet disc brakes
Cab standard.

Hydraulics
Type	closed center load sensing
Rear valves	4 to 7
SCV flow	35 gpm 132.5 lpm
Total flow	40 gpm 151.4 lpm
	55 gpmOptOptional 208.2 lpm
	90 gpmOptOptional 340.7 lpm

Tractor hitch
Rear Type	IVN/III
Rear lift (at 24"/610mm)	19500 lbs 8845 kg

Power Take-off (PTO)
Rear PTO	independent OptOptional
Rear PTO Type	1000 (1.75)

Dimensions & Tires
Wheelbase	154 inches 391 cm
Front tire	18.4R46
Rear tire	18.4R46
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	135
Battery CCA	1000
Battery volts	12

References

TJ 4WD Tractors published in 2001, by New Holland

Engine

Engine Detail — 912 ci / 14.9 L Diesel

Manufacturer	Cummins QSX 15
Configuration	turbocharged aftercooled diesel, 6-cylinder, liquid-cooled inline
When equipped with the manual transmission the TJ425 is limited to 1500 lb-ft of torque.
Displacement	912 ci 14.9 L
Bore/Stroke	5.39x6.65 inches 137 x 169 mm
Power	425 hp 316.9 kW
Rated RPM	2000
Torque	1594 lb-ft 2161.5 Nm
Oil capacity	52 qts 49.2 L
Coolant capacity	21.1 qts 20.0 L

Transmission

Transmission options
16-speed full power shift
24-speed

Transmission — 16 forward and 2 reverse full power shift

Type	full power shift
Gears	16 forward and 2 reverse
Clutch	electro-hydraulic wet disc

Transmission — synchroshift

Transmission	synchroshift
Gears	24 forward and 6 reverse

Dimensions

New Holland TJ425 Tires
Ag front	18.4R46
Ag rear	18.4R46

Dimensions
Wheelbase	154 inches 391 cm
Length	317.5 inches 806 cm
Height	152.1 inches 386 cm

Photos

New Holland TJ425 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for New Holland TJ425 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).

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for New Holland TJ425.

Estimated Continuous Field Runtime: 13.6 hrs

Approximately 13.6 hours of continuous field operation at ~75% rated power on a full tank (300 gal / 1135.6 L).

Estimated 75% Load Fuel Burn~22.1 gal/hr (83.7 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours