Rubber coupling 172187‑71200 for Yanmar VIO75 excavator

YM172187‑71200 hydraulic pump coupling assembly

Heavy-duty coupling 15-tooth 146 mm for mini‑excavators

Rubber coupling for Komatsu PC70FR‑1 pump drive

OEM-style coupling insert 17218771200 close-up

Rubber Coupling 172187‑71200 (YM172187‑71200) for Yanmar VIO70/75/80 & Komatsu PC70FR‑1

15‑tooth rubber coupling assembly 172187‑71200 for Yanmar/Komatsu excavator pumps—durable torque transmission.

Product Features

OEM-equivalent 15-tooth coupling (OD 146 mm), fits Yanmar VIO70/75/80 and Komatsu PC70FR‑1
Made from resilient rubber for shock absorption and vibration reduction
Ensures secure torque transfer between engine and hydraulic pump
Drop-in design simplifies replacement, no modifications needed
Heavy-duty construction suited for intense construction workloads

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Product Description

The 172187‑71200 (YM172187‑71200) rubber coupling is a reliable, aftermarket equivalent designed to transmit power between engine and hydraulic pump in Yanmar VIO70/75/80 series and Komatsu PC70FR‑1 excavators. Featuring a 15-tooth profile and ~146 mm OD, it absorbs misalignment and torsional shocks, protecting sensitive drivetrain components. Its high-quality rubber construction ensures long-term vibration damping and durability. This coupling assembly simplifies maintenance with its plug-and-play compatibility, helping to reduce downtime and enhance equipment reliability.

Rubber Coupling Technical/Data Sheet

Parameter	Specification
Part Number	172187‑71200 / YM172187‑71200
Tooth Profile	15T coupling, OD ≈ 146 mm
Compatible Excavators	Yanmar VIO70, VIO75, VIO75-A/C, VIO80; Komatsu PC70FR‑1
Material	Durable rubber compound
Function	Torque transmission with vibration/impact damping
Installation	Direct replacement; press-fit into coupling housing
Origin	China
Brand	YNF Rubber
MOQ	10 units
Shipping	By sea or air freight
Payment Terms	T/T, L/C

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YNF’s 172187‑71200 coupling offers OEM-level performance in a durable, vibration-damping rubber design. It supports torque transfer while shielding drivetrain components from shocks. With plug-and-play installation, it minimizes downtime and reduces maintenance costs—ideal for workshops, fleet operators, and OEM buyers. Contact us now for a free quote and technical support.

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Applications

Application Scenario	Description
Hydraulic Pump Drives	Ensures smooth torque transfer in Yanmar and Komatsu pump systems
Mini-Excavators	Ideal for sub‑10 ton units for stable driving and damp power fluctuations
Maintenance Workshops	Quick-fit replacement to reduce service downtime
Construction Equipment OEMs	OEM-style quality for pump drive integration during rebuilds

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More Information

Knowledge Base

Why 15‑tooth rubber couplings are critical for mini-excavator pump drives
Preventing torsional shock damage through coupling design
When and how to inspect or replace rubber coupling inserts

Related Products

YNF‑002 CF-H‑16 PU Coupling Element (16H)
YNF‑020 CF‑H‑110 PU/Aluminum Flexible Coupling Element

FAQs

Does this coupling fit both Yanmar and Komatsu models?
Yes—the 15‑tooth 172187‑71200 fits both Yanmar VIO70/75/80 and Komatsu PC70FR‑1 systems.
What is delivery lead time?
Samples ship in 7 days; sea freight takes 30–45 days; air freight within 7–10 days.
Can it be branded as OEM?
Yes—OEM and bulk packaging options are available per request.