109-0861 Duo-Cone Floating Seal for Caterpillar MD6640 MD6540 Rotary/Track Drills

Restore dependable sealing performance with the WINSCHEN 109-0861 Duo-Cone Floating Seal. This premium aftermarket replacement is supplied for verified Caterpillar applications.

Key Features

Direct Replacement: Referenced to Caterpillar part number 109-0861 for compatible sealing applications.
Reliable Sealing: Selected aftermarket sealing components help maintain dependable protection in demanding operating conditions.
Maintenance Value: A practical replacement solution that supports scheduled maintenance and helps reduce equipment downtime.

Compatible Equipment Models

Rotary/Track Drills: MD6640 MD6540

Front Shovel: 5080

Excavator: 375-A 365C L 374F 375-A L 345B II 345C L 365B L 365C L MH 365B II 365C 374F L 374D L 345C 365B

Mobile Hyd Power Unit: 385C 365C L

Specifications

Part Number	109-0861 (1090861)
Product Type	Duo-Cone Floating Seal
Equipment Brand	Caterpillar
Metric Dimensions	188.5 x 169.05 x 190.43 x 191.67 mm
Seal Ring Material	Stellite
Load Ring Material	Nitrile
Seal Grade	C
Bevel Angle	20
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-109-0861
MOQ	1 SET
Delivery Time	1-3 business days

Need to verify fitment for your specific Caterpillar machine? Contact our technical support team for expert assistance. We offer fast global shipping to keep your equipment operational.

Related Caterpillar Seal Categories

Browse more Caterpillar replacement parts or compare other floating seals. For fitment confirmation, send the OEM part number and machine model through our inquiry form or WhatsApp.

OEM Part Number	109-0861
Product Type	Duo-Cone Floating Seal
Metric Dimensions	188.5 x 169.05 x 190.43 x 191.67 mm
Equipment Brand	Caterpillar

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