JD Forestry Rebuilt Engines

JD Forestry Rebuilt Engines parts list
Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	344G, 410C, 410D, 444E, 444G, 450G, 450G LT, 450G LGP, 455G, 490E, 495D, 510C, 510D, 540D, 540E, 548D, 548E, 550G, 555G, 590D, 595D, 650G, 6400, 6400L, 6500, 6500L	Reman 4045T Long Block		1150	JD-4045T-LB-U	$12,650.00	View Info

Remanufactured 4045T long blocks and rebuilt diesel engines for John Deere forestry and construction machines, covering dozers, backhoes, loaders, and skidders built around the 4.5L four-cylinder platform.

Fits Models At A Glance

Dozers: 450G, 450G LT, 450G LGP, 455G, 550G, 650G
Backhoes: 410C, 410D, 510C, 510D
Loaders: 344G, 444E, 444G, 540D, 540E, 548D, 548E, 555G
Skidders / Off-Highway: 490E, 495D, 590D, 595D
Utility Tractors: 6400, 6400L, 6500, 6500L

Key Notes

Engine Family: 4045T 4.5L turbocharged four-cylinder diesel
Build Type: Reman long block with block, crank, pistons, and head
Reference Number: SE501061 replacement
Application: Forestry, dozer, backhoe, and loader powerplants

Why Choose Broken Tractor

✅ Reman engines built to factory tolerances
✅ Wide fitment across G and D series machines
✅ Fast shipping from two US locations

Frequently Asked Questions

What John Deere forestry machines does the reman 4045T long block fit?

Broken Tractor's remanufactured 4045T long block is listed to fit John Deere forestry and off-highway machines including the 490E, 495D, 590D and 595D. Engine configurations can vary by model and serial number, so match the SE501061 reference number to your current engine or confirm fitment with our parts team before ordering.

What is included in a John Deere 4045T reman long block?

Our John Deere 4045T reman long block is built with the block, crankshaft, pistons and cylinder head. If you need to know whether a specific external component comes with the engine, check with our parts team before you order so your swap goes smoothly.

What part number does the John Deere 4045T long block replace?

The reman 4045T long block we carry is a replacement for John Deere reference number SE501061. Comparing that number to your existing engine information is one of the best ways to confirm you are ordering the right engine. If you are unsure, call (800) 909-7060 and have your model and serial number ready.

What engine is in the John Deere 495D and 595D?

The rebuilt engine Broken Tractor offers for the John Deere 495D and 595D is the 4045T, a 4.5L turbocharged four-cylinder diesel. Because the same engine family is used across several John Deere forestry machines, one reman long block covers a wide range of applications. Always verify fitment by serial number or by matching the SE501061 reference number.

Is a remanufactured 4045T engine a good choice for a John Deere 590D?

A remanufactured 4045T long block is a practical way to put a John Deere 590D back to work without sourcing and rebuilding individual internal parts. Our reman engines are built to factory tolerances and replace reference number SE501061, and we offer fast shipping from two US locations.