Komatsu Excavator Track Adjuster & Recoil Spring

Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	PC100-6, PC120-5, PC120-6, PC120-6Z, PC128US-1, PC128UU-1, PC128US-2, PC130-6, PC130-6K	Track Recoil Spring Assembly	207-30-54140DRSA	From $6,008.00	View Info
	See Details	PC120-6	Recoil Spring and Adjuster Assembly	PV3120	$1,525.00	View Info
	See Details	PC150-6, PC160-6, PC180-6, PC200-5, PC200-6, PC200-7, PC210LC-6, PC220-5, PC220-6, PC228-1, PC228-2	Recoil Spring and Adjuster Assembly	20Y-30-29100	From $1,230.00	View Info
	See Details	PC300-6	Recoil Spring and Track Adjuster Assembly	207-30-68500	From $2,475.00	View Info
	See Details	PC600LC-6, PC600LC-7, PC650	Track Recoil Assembly	21M-30-14100	From $3,933.00	View Info
	See Details	PC850	Recoil Spring Assembly	209-30-74140RSA	From $6,278.00	View Info
	See Details	PC120-6	Recoil Spring	203-30-66250	$285.00	View Info
	See Details	PC200-6, PC220-6	Recoil Spring	20Y-30-29160	$482.00	View Info
	See Details	PC300-6	Recoil Spring	207-30-54140	From $695.00	View Info
	See Details	PC200-6, PC220-6	Rod Adjuster	20Y-30-29130	$394.00	View Info
	See Details	PC120-6	Track Adjuster Seal Kit	0	909018	$80.00	View Info
	See Details	PC200-6, PC220-6	Track Adjuster Seal Kit	0	909021	$60.00	View Info
	See Details	PC300-6	Track Adjuster Seal Kit	0	909022	$70.00	View Info
	See Details	PC78-8, PC78-10, PC88-10	Track Tension Recoil Spring	21W-30-00150	$914.00	View Info

Track adjuster and recoil spring assemblies for Komatsu excavators, covering complete recoil spring assemblies, adjuster rods, seal kits, and combined adjuster-spring units across a wide range of PC-series and BR-series machines.

Fits Models At A Glance

PC60–PC88 Series: PC60-6, PC60-7, PC70-7, PC75UU-1, PC75UU-2, PC78MR-6, PC78US-6, PC78-8, PC78-10, PC88MR-8, PC88-10
PC100–PC130 Series: PC100-6, PC120-5, PC120-6, PC120-6Z, PC128US-1, PC128UU-1, PC128US-2, PC130-6, PC130-6K
PC150–PC228 Series: PC150-6, PC150LC-6K, PC160-6, PC160LC-7, PC160LC-8, PC180-6, PC200-5, PC200LC-5, PC200-6, PC200LC-6, PC200LL-6, PC200-7, PC200LC-7, PC200LC-8, PC210-6, PC210LC-6, PC210-7K, PC220-5, PC220LC-5, PC220-6, PC220LC-6, PC220LC-8, PC228-1, PC228-2, PC228UU-1
PC250–PC350 Series: PC250-6, PC250LC-6, PC250LC-6L, PC270LC-6LE, PC300-5, PC300LC-5, PC300-6, PC300LC-6, PC310-5, PC340-6K, PC350-6
PC380–PC450 Series: PC380LC-6, PC400-5, PC400LC-5, PC400-6, PC400LC-6, PC400-7, PC450-6, PC450-6K, PC450LC-6
PC600–PC850 Series: PC600LC-6, PC600LC-7, PC650, PC850
BR Series: BR100J-1, BR100JG-1, BR100RG-1, BR200J-1, BR200S-1, BR250RG-1, BR300S-1, BR350JG-1, BR500JG-1, BR550JG-1, CD110R-1, PC300HD-7L, SBR200-1

Key Notes

Assembly Types: Complete recoil spring assemblies, adjuster rod assemblies, combined recoil spring and adjuster assemblies, and seal kits available
Application: Maintains correct track tension and absorbs undercarriage shock loads to protect rollers, idlers, and sprockets
Seal Kits: Available for PC120-6, PC160, PC200-6, PC220-6, and PC300-6 to restore adjuster cylinder sealing
Fitment Verification: Cross-reference your model and serial number — some assemblies fit multiple series; others are series-specific

Why Choose Broken Tractor

✅ Wide Komatsu excavator coverage from PC60 to PC850
✅ Individual components and complete assemblies available
✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH