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Part of the New Holland Parts Manuals.
Every single exploded view and factory part number for your tractor lives inside this massive 602-page New Holland TJ425 parts catalog PDF. You get incredibly detailed exploded diagrams showing the complete power shift transmission, hydraulic fan motor assemblies, and the entire Mega Flow hydraulic circuitry. Open up to any system to find exact component breakdowns, clear hardware descriptions, and precise factory part numbers so you order the correct replacement piece on the first try. Look up the specific filters needed to handle the 9.3-gallon engine oil capacity, and verify the correct replacement lines for the 11.4-gallon coolant system before you call the dealer. Stop wasting days waiting on incorrect components. Download this searchable file, jump directly to your subsystem using the bookmarked index, and get your parts order submitted right from the shop floor.
What's Inside This New Holland TJ425 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Fuel Lines | |
| Cooling System | Hydraulic Pictorial Index, Radiator, Hydraulic Fan Drive, Hydrualic Fan Motor, Axle Hydraulics, Hydraulics, Hydraulic Fan Pump, Hydraulic Fan Oil Cooler | |
| Engine | Hydraulic Pictorial Index, Hydraulic Oil Cooler, Hydraulic Oil Cooler Mounting, Oil Filter, Axle Hydraulics, Piston Pump, High Output Hydraulics, Oil Filter Mega Flow Hydraulics | |
| Electrical System | Sensor, Alternator, Starter, Ground Speed Sensor, Lamp, Lamps, Headlamps, Harness | |
| Clutch & Transmission | Clutch, Transmission and Throttle Control, Power Shift Transmission, Power Takeoff Clutch | |
| PTO | Valve Assy Power Take Off, Power Takeoff Drive Shaft Mounting, Power Takeoff Drive Shaft Assemblies, Coupler Mounts Without Power Takeoff and Three Point Hitch, Power Takeoff Safety Sheilds, Power Takeoff Transfer Case, Power Takeoff Input Shaft | |
| Rear Axle, Differential & Brakes | Hydraulic Pictorial Index, Axle, Brake Control, Brake Valve, Valve | |
| Front Axle & Steering | Hydraulic Pictorial Index, Hydraulics, Steering Control Valve, Steering Wheel and Column, Steering Column | |
| Hydraulics & 3-Point Hitch | Hydraulic Pictorial Index, Mega Flow Hydraulic Controls, Cylinder, Valve Assy Pulse with Modulation, Axle Assy Jet Pump, Hydraulic Tank, Regulator Valve, Tow Block Valve | |
| Body & Operator Station | Axle, Cab Mounting, Interior Trim, Cab, Console, Seat, Front Frame, Rear Frame | |
| Decals & Accessories | Decals | |
| Other Components | Ether Start System, Air Induction System, Air Cooler, Engine, Throttle, Exhaust System, Controls, Wiper |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine Oil Capacity | 9.3 Gal. | p. 578 |
| Engine Oil Type | Super Premium 15W40 | p. 578 |
| Engine Coolant Capacity | 11.4 Gal. | p. 578 |
| Fuel Capacity | 209 Gal. | p. 578 |
New Holland TJ425 Common Problems This Manual Covers
Cannot find the correct transmission lubrication circuit hose part numbers for a New Holland TJ425 leaking fluid
Inspect the transmission parts breakdown. Check the drivetrain parts diagram to locate the specific hose part numbers. Verify you have the required 13 Gal. of transmission fluid ready before draining the system to replace the affected hoses.
Manual Section: Hydraulic Pictorial Index - Transmission and PTO Clutch LubricationCannot locate the correct engine oil filter part numbers during a scheduled maintenance interval
Verify the correct filter part number in the engine maintenance parts list. Check the fluid specifications on page 578 to confirm the 9.3 Gal. engine oil capacity. Order the corresponding filter and Super Premium 15W40 oil before starting the maintenance.
Manual Section: How to Use Figure Search p. 578Cannot identify the correct replacement hydraulic fittings for the steering circuit blown high-pressure line
Inspect the steering circuit parts breakdown. Check the hydraulic parts diagram to identify the required high-pressure line components and O-rings. Ensure the tractor has its full 209 Gal. fuel capacity to properly test the steering under load after installing the new fittings.
Manual Section: Hydraulic Pictorial Index - Steering CircuitTrying to find the exact replacement cab heater hose part numbers for a leaking core
Measure the damaged cab heater hose routing components. Check the cab and interior parts diagram to find the correct hose part numbers. Drain the 11.4 Gal. engine coolant capacity before removing the old lines to prevent spills inside the operator station.
Manual Section: How to Use Figure SearchFrequently Asked Questions
What are the recommended service intervals for the TJ425 tractor?
The TJ Maintenance Guide on page 578 specifies that engine oil and coolant levels should be checked every 10 hours or daily. Hydraulic oil levels should also be checked every 10 hours or daily. Articulation cylinder pins should be greased every 50 hours, and the articulation hinge should be greased every 500 hours. p. 578
What is the capacity of the engine oil for the TJ425 and TJ450 tractors?
For the TJ425 and TJ450 models, the engine oil capacity is 9.3 gallons (35.2 liters). p. 578
What is the capacity of the fuel tank for the TJ425 and TJ450 tractors?
The fuel tank capacity for the TJ425 and TJ450 models is 21.2 gallons (80.2 liters). p. 578
What is the torque specification for the M12 bolts used on the transmission mounting?
The M12 bolts used for the transmission mounting (manual shift) should be tightened to the specified torque. According to the manual, the M12 x 35 bolts (Ref 55, page 183) are used in this application. p. 183
What is the part number for the engine oil filter for the TJ425 tractor?
The part number for the engine oil filter for the TJ425 tractor is 441700A1. p. 58
What format is this New Holland TJ425 manual in?
Instant PDF download. You get the full 602-page searchable Parts Catalog immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Is this New Holland TJ425 Parts Catalog printable?
Zero restrictions. The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
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