ANNHOO999 Ignition Switch for Bobcat Skid Steer & Mini Track Loaders — MPN 6665606 D250 4-Position with 2 Keys

ANNHOO999 6665606 is a four-position ignition switch (D250) supplied with two keys, built to replace the original start switch on many Bobcat skid steers, mini track loaders and several compatible brands.

This heavy-duty replacement ignition switch is engineered to match the electrical and mechanical fit of OEM switches used across a wide range of Bobcat models — from compact skid steers up through select track loaders and excavators — and also cross-references to John Deere, New Holland, Vermeer and other aftermarket numbers. It includes the four-stud rear terminal configuration familiar to service technicians and comes packaged ready to install with two cut keys. Below are focused answers to common buyer questions to help confirm fit, function and installation details.

Will this ignition switch fit my Bobcat model?

This switch is listed for many Bobcat models including 440, 530, 630, 731, 742, 753, 763, 773, 863 and 873, plus older and specialty models. Check your existing switch for the four-stud (4-position) layout and MPN 6665606 or equivalent cross numbers to ensure compatibility.

• Direct match for Bobcat part MPN 6665606 D250 (4-position, 4 studs).
• Common fit across skid steers, mini track loaders MT50/MT52/MT55.
• Cross-references: MG641833, S.68213, 9103-3317, 641833, 31-527, 1219.
• Compare terminal layout and physical mounting before ordering.

How is the switch supplied and what does the package include?

The product ships with the ignition switch body and two identical keys, ready to replace a worn or non-functioning original switch. No additional harness or mounting hardware is typically required when swapping with the same OEM-style unit.

• Included: one ignition switch and two metal keys.
• Preconfigured for a four-position ignition function (off/accessory/run/start).
• Four rear studs for fast electrical connections using existing terminals.
• Packaged to protect the switch during shipping and handling.

What are the electrical and mechanical specifics I should know?

This is a D250-style ignition switch with four studs at the rear, designed for standard starter and accessory circuits in compact equipment. It is built to match the mechanical key profile and electrical routing used by the referenced machines, but always verify wire colors and functions on your machine before connecting.

• 4-position operation: Off / Accessory / Run / Start functionality.
• Four stud terminals for reliable electrical connections.
• Compatible with starter, ignition, and accessory wiring in listed machines.
• Solid metal key and durable switch housing suited for equipment use.

How do I confirm the correct replacement and perform installation?

Confirm the replacement by comparing the part number or the physical connector arrangement on your current switch. Installation is typically a quick panel swap: disconnect the battery, remove electrical terminals from the old switch, unmount the old switch, install the new switch and reconnect terminals.

• Verify part number 6665606 or matching four-stud layout before purchase.
• Always disconnect battery power before beginning work.
• Label wires or take a photo to ensure correct reconnection.
• Tighten terminal nuts and confirm key turns through all positions safely.

Who is this for: This ignition switch is intended for owners, fleet managers, mechanics and service shops maintaining Bobcat skid steers, mini track loaders and compatible equipment from associated brands. It suits anyone needing a direct-fit, OEM-style replacement with a familiar four-position key action and secure stud connections — particularly useful for field repairs, fleet maintenance or restoring starter and accessory function on older machines.