JD 450H-650K Dozer Track Adjuster

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JD 450H-650K Dozer Track Adjuster parts list
REF #	Image	Fits Model	Description	Price	Product Details
1	See Details	450H With 5 Bottom Rollers	Complete Track Adjuster	0	PV323	$898.00	View Info
1	See Details	450H Long Track/LGP, 450J, 550H, 550J	Complete Track Adjuster	T169180-A	$624.00	View Info
1	See Details	650H LT, 650H LGP, 650J LT Early	Complete Track Adjuster	PV325	$898.00	View Info
1	See Details	(550K XLT & LGP Standard Undercarriage), 650H XLT, (650J XLT & LGP Before Serial Number 159986)	Track Adjuster Assembly	0	PV326	$898.00	View Info
1	See Details	(450J After Ser # 159987, 450K, 550J After Serial Number 159987, 550K XLT, 550K LGP, 650J XLT, 650J LGP After Ser # 159987 ALL WITH MAX LIFE UNDERCARRIAGE ONLY), 650K XLT, 650K LGP	Track Adjuster Assembly	0	PV329	$855.00	View Info
1	See Details	(550K XLT, 550K LGP Max Life Undercarriage), (650J XLT, 650J LGP After Serial Number 159987), 650K XLT, 650K LGP	Track Adjuster Assembly	0	PV330	$855.00	View Info
	See Details	450G, 455G, 550G, 555G, 650G	Track Adjuster Yoke	0	T147438X	$546.00	View Info
	See Details	450H, 450J, 550H, 550J, 550K, 650H, (650J before 159986)	Track Adjuster Yoke	T169180	$438.00	View Info
	See Details	(450J After Serial #159987, 450K Max Life Undercarriage) (550J After Serial Number 159987, 550K XLT, 550K LGP Max Life Undercarriage), (650J XLT, 650J LGP After Serial Number 159987), 650K XLT, 650K LGP	Track Adjuster Yoke	0	T223025	$575.00	View Info
	See Details	450H, 450J, 450K, 550H, 550J, 550K	Track Adjuster Assembly	PV324	$898.00	View Info
	See Details	650K, 550K XLT, 550K LGP, 605C, 605K, 650J*	Yoke, Track Adjuster	T223025X	$526.00	View Info
2	See Details	555G, 650G, 650H, 650J, 650K, 650 P-Tier, 605K	Track Recoil Spring	T105605	$509.00	View Info
3	See Details	450, 450B, 450C, 450D, 450E, 455D, 455E, 550, 550B, 555, 555B, 450G, 455G, 550G, 555G, 650G, 450H, 550H, 650H, 450J, 550J, 650J	Recoil Spring Threaded Cap, Rear	0	T32049	$283.00	View Info
4	See Details	450H, 450J, 550H, 550J, 550K, 650H, 650J, 650K, 450, 450B, 450C, 450D, 455D, 450E, 455E, 550, 555, 550B, 555B	Recoil Spring Bolt	0	PV3682	$115.00	View Info
5	See Details	450H, 450J, 550H, 550J, 550K, 650H, 650J, 650K	Guide Plate	0	T172899	$52.00	View Info
6	See Details	450H, 450J, 550H, 550J, 550K, 650H, 650J, 650K	Wear Strip	0	T105530	$39.00	View Info
8	See Details	(450H, 450J, 550H, 550J, 550K With 6 Bottom Rollers)	Cover (Left Hand)	0	T172588	$245.00	View Info
8	See Details	(650H, 650J, 650K With 6 Bottom Rollers)	Cover (Left Hand)	0	T173978	$245.00	View Info
8	See Details	(450H, 450J, 550H, 550J, 550K With 6 Bottom Rollers)	Cover (Right Hand)	0	T172591	$245.00	View Info
8	See Details	(650H, 650J, 650K With 6 Bottom Rollers)	Cover (Right Hand)	0	T173979	$245.00	View Info
9	See Details	(450H, 450J, 550H, 550J, 550K With 6 Bottom Rollers)	Rear Cover (Left Hand)	0	AT209843	$293.00	View Info
9	See Details	(450H, 450J, 550H, 550J, 550K With 6 Bottom Rollers)	Rear Cover (Right Hand)	0	AT209844	$293.00	View Info
9	See Details	(650H, 650J, 650K With 6 Bottom Rollers)	Rear Cover (Left Hand)	0	AT210987	$293.00	View Info
9	See Details	650H, 650J, 650K With 6 Bottom Rollers	Rear Cover (Right Hand)	0	AT210988	$293.00	View Info
11	See Details	450H, 450J, 450K, 450 P, 550H, 550J, 550K, 550 P, 650H, 650J, 650K, 650 P	Front Track Chain Guide Slide	T204192	$189.00	View Info
12	See Details	450H, 450J, 450K, 450 P-Tier, 550H, 550J, 550K, 550 P-Tier, 650H, 650J, 650K, 650 P-Tier	Shim, Track Idler	T173517	$4.00	View Info
14	See Details	450, 450B, 450C, 450D, 450E, 455D, 455E, 550, 550B, 555, 555B, 450G, 455G, 550G, 555G, 650G, 450H, 550H, 650H, 450J, 550J, 650J	Threaded Plate	0	T20696	$58.00	View Info
16	See Details	450, 450B, 450C, 450D, 450E, 450G, 450H, 450J, 450K, 550, 550A, 550B, 550G, 550H, 550J, 550K, 650G, 650H, 650J, 650K	Front Recoil Spring Cap	T106909	$169.00	View Info
	See Details	All Track Adjusters on this Page	Plug, Will Not Fit OEM Track Adjusters	0	217-532	$27.00	View Info
	See Details	All Adjusters on this Page	Grease Fitting, Will Not Fit OEM Track Adjusters	0	2S5925	$23.00	View Info
	See Details	450, 450A, 450B, 450C, 450D, 450E, 450G, 450H, 450J, 450K, 450P, 550, 550A, 550B, 550G, 550H, 550J, 550K, 550P, 650G, 650H, 650J, 650K. 650P, 450, 450A, 450B, 450C, 455D, 455E, 455G, 555, 555A, 555B, 555G, 605C, 605K	Track Adjuster Seal Kit	905003	$34.00	View Info
	See Details	450H With 5 Bottom Rollers	Track Adjuster Rod	0	AT207649	$324.00	View Info
	See Details	450H, 450J, 450K, 450P, 550H, 550J, 550K, 550P	Track Adjuster Extension Rod	AT210058	$164.00	View Info
	See Details	550K XLT, 550K LGP, (650J XLT, 650J LGP After Serial Number 159987), 650K XLT, 650K LGP	Track Adjuster Rod	0	T257067	$324.00	View Info
	See Details	650H LT, 650H LGP, 650J LT (Before S/N 159986)	Track Adjuster Rod (6-Roller)	AT211001	$294.00	View Info
	See Details	650H XLT, (650J XLT, 650J LGP Before Serial Number 159986)	Track Adjuster Rod	0	AT225225	$324.00	View Info
	See Details	650J Long Track After Serial Number 159987	Track Adjuster Rod	0	T257066	$324.00	View Info
	See Details	650H, 650J	Rockguard L/H	AT305887	$604.00	View Info
	See Details	450H, 450J, 450K, 450 P-Tier, 550H, 550J, 550K, 550 P-Tier	Recoil Spring Cover, Rear Left	AT376011	$293.00	View Info
	See Details	450H, 450J, 450K, 450 P-Tier, 550H, 550J, 550K, 550 P-Tier	Recoil Spring Cover, Rear Right	AT376010	$293.00	View Info
	See Details	450H, 450J, 450K, 450P, 550H, 550J, 550K, 550P	Track Adjuster Rod	T257068	$324.00	View Info
	See Details	450H, 450J, 550H, 550J, 550K, 650H, (650J before 159986)	Track Adjuster Yoke (Made in USA)	T169180-PV	$557.00	View Info
11	See Details	450, 450B, 450C, 450D, 450E, 450G, 450H, 450J, 450K, 450 P-Tier, 455D, 455E, 455G, 550, 550B, 550G, 550H, 550J, 550K, 550 P-Tier, 555, 555B	Track Recoil Spring	T106882	$315.00	View Info
	See Details	450, 450B, 450C, 450D, 450E, 450G, 450H, 450J, 450K, 450 P-Tier, 455D, 455E, 455G, 550, 550B, 550G, 550H, 550J, 550K, 550 P-Tier, 555, 555B	Shim, Track Idler	T20697	$13.00	View Info

Track adjusters, recoil springs, adjuster rods, yokes, seal kits, and spring covers for John Deere 450H through 650K crawler dozers, covering complete tension assemblies and individual components across H, J, and K series undercarriages.

Fits Models At A Glance

450 Series: 450H, 450J, 450K, 450 P-Tier
550 Series: 550H, 550J, 550K, 550 P-Tier
650 Series: 650H, 650J, 650K, 650 P-Tier
Earlier Coverage: Select seal kits and springs also fit 450G, 550G, 650G and older B/C/D/E models

Key Notes

Application: Maintains proper track tension and cushions undercarriage shock loads.
Roller Configuration: Parts vary by 5, 6, and 7 bottom roller undercarriages.
Serial Breaks: Adjuster rods and yokes differ before and after S/N 159987.
Components: Complete adjusters, rods, springs, yokes, covers, shims, seal kits.

Why Choose Broken Tractor

✅ Fitment verified by roller count and serial
✅ Fast shipping from two US locations
✅ New and used dozer parts available