Part of the John Deere Repair Manuals.
This 772-page John Deere 450E Crawler Bulldozer, 455E Crawler Loader Technical Manual (OEM #TM1330) breaks down both machines from track chain to hydraulic control valve, covering the full lineup of blades, buckets, backhoe attachments, and winch systems these platforms shared. Inside you get complete wiring diagrams for the alternator, regulator, and instrument circuits, plus hydraulic schematics covering the loader, bulldozer, and backhoe control valves. You also get the full torque specifications chart and a dedicated section on dealer-fabricated tools like the JT38007 track roller installation tool, so you're not improvising fixtures in the shop. Torque the track shoe attaching cap screws to 163 N-m (120 lb-ft) and reference Group 3260 for the dozer's hydraulic return filter and pump specs before you start tearing into a cylinder. Your undercarriage doesn't forgive guesswork. This PDF is bookmarked and searchable by section, so pull it up on your tablet and find the group you need in seconds.
What's Inside This John Deere 450E & 455E Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 7-16 | Fundamentals of Service (Fos) Manuals, Technical Manuals, Safety-Alert Symbol, Three-Step Procedure, Information Types |
| General Information | 17-34 | Specifications, Torque Values, Fuels and Lubricants |
| Tracks | 35-86 | Track Systems (Track Chain, Track Frame, Track Carrier Roller, Front Idler, Track Roller and Track Adjuster) |
| Axles and Suspension Systems | 87-114 | Axle Shaft, Bearings and Reduction Gears |
| Transmission | 115-200 | Controls, Gears, Shafts, Bearings, And Power Shift Clutch |
| Engine | 201-346 | Removal and Installation, Crankshaft and Main Bearings, Camshaft and Valve Actuating Means, Connecting Rods and Pistons, Cylinder Block, Oiling System, Cylinder Head and Valves |
| Engine Auxiliary Systems | 347-366 | Cold Weather Starting Aids, Cooling Systems, Speed Control, External Fuel Supply Systems |
| Clutch | 367-382 | Controls, Elements |
| Steering System | 383-386 | Hydraulic System |
| Equipment Attaching | 387-390 | Drawbar |
| Electrical System | 391-410 | Batteries, Supports and Cables, Alternator, Regulator, And Charging System Wiring, Wiring Harness and Switches, Instruments and Indicators |
| Frames, Chassis, or Supporting Structure | 411-420 | Frame Installation, Frame Bottom Guards, Chassis Weights |
| Operator's Station | 421-430 | Operator Enclosure |
| Sheet Metal and Styling | 431-442 | Hood or Engine Enclosure |
| Winch | 443-496 | Controls Linkage, Winch Drive and Clutches, Hydraulic System |
| Loader | 497-546 | Buckets, Forks, Control Linkage, Frames, Hydraulic System |
| Bulldozers | 547-594 | Blades, Controls Linkage, Frames, Hydraulic System |
| Backhoe (9300) | 595-664 | Buckets, Controls Linkage, Frames, Hydraulic System |
| Backhoe (9550) | 665-728 | Buckets, Teeth, Shanks and Side Cutters, Controls Linkage, Frames, Hydraulic System |
| Arch, or Boom, or Cranes | 729-732 | Log Arch |
| PTO or Winch Drive | 733-738 | Gears, Shafts and Bearings |
| Ground Conditioning Tool | 739-754 | Blades, Teeth and Shank, Frame, Hydraulic System |
| Dealer Fabricated Tools | 755-772 | JT38006 Liner Holding Tool, JT38007 Track Roller Installation Tool, JT38014 Final Drive Housing Lifting Tool, JT38015 Flanged Axle Shaft Removing Tool |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Fuel Filter | Group 0420 | p. 5 |
| Track Chain, Track Frame, Track Carrier Roller, Front Idler, Track Roller and Track Adjuster | Group 0130 | p. 5 |
| Track shoe attaching cap screws | 163 ± 27 N·m (120 ± 20 lb-ft) | p. 39 |
| Accumulator Inner Piston Spring Test Length | 65 mm (2.56 in.) | p. 125 |
| Accumulator Inner Piston Spring Free Length | 109.7 mm (4.32 in.) | p. 125 |
| Engine Coolant Capacity | 15.0 L (4.0 gal) | p. 20 |
| Track Shoe Torque | 163 N-m (120 lb-ft) | p. 26 |
| Cylinder Liner Protrusion above block | 0.03–0.10 mm (0.001–0.004 in.) | p. 258 |
| 455E Crawler Loader | ||
| Loader Cylinders, Hydraulic Pump and Loader Control Valve | Group 3160 | p. 6 |
| 450E Crawler Bulldozer | ||
| Bulldozer Cylinders | Group 3260 | p. 6 |
| 450E | ||
| Hydraulic Reservoir Capacity | 22.7 L (6 gal) | p. 20 |
| 455E | ||
| Hydraulic Reservoir Capacity | 26.5 L (7 gal) | p. 20 |
John Deere 450E & 455E Common Problems This Manual Covers
Engine loses fuel supply and dies intermittently even though the tank reads full
Check the fuel filter listed under Group 0420 on page 5 first; a partially clogged element starves the injection pump long before the tank runs dry. Pull and inspect it, then check every line fitting O-ring for weeping or swelling. Verify the intake screen at the tank pickup isn't blocked. Bleed the system after any filter or O-ring replacement before restarting.
Manual Section: Fuel Injection System Repair p. 5Hydraulic cylinder leaks past the rod seal and loses lift or curl pressure over time
Remove the cylinder and check the piston nut torque on page 516: 814-949 N·m (600-700 lb-ft) for boom, bucket, clam, and clamp cylinders. An undertorqued piston nut lets the piston walk and cuts the seal edge. While it's apart, torque the rod guide to 339-407 N·m (250-300 lb-ft) and replace the full seal kit rather than just the rod seal.
Manual Section: Loader Hydraulic System Repair p. 516Steering clutch and brake band won't hold adjustment and drift out of spec quickly
Work through the steering hydraulic system chapter starting on page 383 and confirm the linkage isn't binding before touching the band. If you're resetting the clutch housing or brake bracket cap screws and no specific value is called out, torque them to the standard cap screw spec of 163 N·m (120 lb-ft) from the general torque chart on page 26. Recheck band travel after the machine cycles a few times hot.
Manual Section: Steering System p. 383Frequently Asked Questions
What are the torque specifications for the John Deere 450E final drive bolts?
The final drive housing to steering clutch housing cap screws should be tightened to 325.44 ± 32.54 N·m (240 ± 24 lb-ft). For the final drive inner bearing cover cap screws, the torque value is 67.8 ± 6.78 N·m (50 ± 5 lb-ft).
Why won't my John Deere 450E move forward or reverse?
Excessive play in the H-L-R shift linkage may cause slow engagement, no engagement, or clutch pack slippage, which could prevent the machine from moving forward or reverse. This issue can be addressed by adjusting the neutral start range.
How do you fix john Deere 450E/455E loses reverse movement once the transmission reaches full operating temperature?
Pull the power shift clutch accumulator and test the inner piston spring on page 125. Free length should measure 109.7 mm (4.32 in.) and compress to 65 mm (2.56 in.) under a 280 N test load. A collapsed spring lets the reverse piston seal bleed off pressure once the oil thins out hot. Replace the spring and seal kit as a set, not just the seal. p. 125
How do you fix transmission slips or the machine won't move in forward or reverse under any load?
Before condemning the clutch pack, retest the accumulator spring on page 125 against its 109.7 mm (4.32 in.) free length and 65 mm (2.56 in.) compressed length spec under 280 N load. A weak spring causes erratic modulation across every range, not just reverse. If the spring checks good, pull the control valve and pack, then inspect friction discs for glazing or scoring before reassembly. p. 125
How quickly can I access this John Deere 450E Crawler Bulldozer, 455E Crawler?
Instant PDF download. You get the full 772-page searchable Technical Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Are there any print restrictions on this John Deere 450E Crawler Bulldozer?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
Does this John Deere 450E Crawler Bulldozer, 455E Crawler Loader manual cover?
Yes, this John Deere 450E Crawler Bulldozer, 455E Crawler Loader Technical Manual includes a hydraulic system diagram.
