Caterpillar® 312C – Excavators

Serial number ranges

Excavator S/N: BNN1-UP,BWH1-UP,CBA1-UP,CBT1-UP,DBN1-UP,FDS1-UP

Application (Cylinder)	Caterpillar® Part No.	Description	Bore	Rod	Note / Serial No.
Boom	170-9937	Seal Kit	110 mm	75 mm
	114-0750	Bushing
	119-5435	Seal Kit	110 mm	75 mm
	114-0750	Bushing			S/N: CBA
Offset Boom	169-7838	Seal Kit	120 mm	80 mm
	114-0755	Bushing			S/N: BNN
Bucket	170-9941	Seal Kit	100 mm	65 mm
	114-0754	Bushing
	169-7830	Seal Kit	100 mm	65 mm
	114-0754	Bushing			S/N: BNN,CBT
	169-7828	Seal Kit	80 mm	55 mm
	114-0752	Bushing			S/N: CBA
	170-9937	Seal Kit	110 mm	75 mm
	114-0750	Bushing			S/N: FDS
Stick	170-9999	Seal Kit	120 mm	80 mm
	114-0755	Bushing
	119-5446	Seal Kit	120 mm	80 mm
	114-0755	Bushing			S/N: CBA
Blade	170-9946	Seal Kit	120 mm	80 mm
	114-0755	Bushing			S/N: BWH,CBA,CBT,FDS

For reference only. Send us your machine serial number before ordering and we will confirm the correct kit.

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Caterpillar®, Komatsu®, Volvo®, JCB® and other brand names are registered trademarks of their owners and are used only to indicate compatibility.