12V Starter Motor 6676957 6685190 Cross-Reference for Kubota Bobcat V2203 V3300

Variant Confirmed Before Dispatch — We verify mounting hole pattern, spline count, and pinion diameter against your specific Bobcat or Kubota serial range to prevent misfit.

Technical Specifications

Application Suitability

Why the Same Starter Number Ships in Multiple Variants

The base starter number appears across dozens of machine models, but mounting patterns and spline counts differ between production runs.

A buyer holding a worn nameplate might order a unit that physically bolts on but fails to engage the flywheel because the pinion diameter or tooth count does not match the specific engine generation. We have seen situations where a starter for a Kubota V3300 was ordered based on a generic listing, only to arrive with the wrong spline count for that particular serial range [NEED_CITE: starter motor variant identification for Kubota engine series]. The cost is not just the return freight; it is the machine sitting idle while a replacement is sourced. Cross-reference tables copied between sellers often carry forward errors, making independent verification against machine model and serial number essential. A Starter Motor for Bobcat S750 / Kubota V2203 cross reference must be validated against the actual application, not just a parts catalog number.

Fitment Validation Across Bobcat and Kubota Serial Ranges

This Starter Motor for Bobcat S750 / Kubota V2203 cross reference covers a wide application range, but fitment depends on more than just the machine model. The 11-tooth spline and 40.2mm pinion outer diameter ensure correct flywheel engagement on Kubota V2203 and V3300 series engines. The three unthreaded mounting holes at 11.7mm inner diameter must match the Bobcat bell housing pattern exactly. We verify these dimensions against your specific machine serial number before dispatch.

Interface Verification and Superseded Number Tracking

The physical interface is where most fitment failures occur. Port position, spline count, and connector type must align with the original equipment. Older Bobcat S-series and T-series loaders often carry superseded part numbers like 6685190, 7283321, or TM000A28901, which interchange with this unit but may not appear in outdated catalogs [NEED_CITE: OEM part number supersession for construction equipment starters]. We maintain cross-reference verification covering these alternate and discontinued numbers. Requesting a sample unit for physical fitment check on first-time orders eliminates guesswork before committing to fleet-level bulk purchases.

Planetary Reduction and Cranking Performance

The PLGR (Planetary Reduction) design delivers efficient cranking torque at 2.7kW, suitable for the compression ratios found in Kubota V2203 and V3300 diesel engines. The 12-volt system draws significant current during engagement, and the planetary gear set multiplies torque while keeping the motor compact. Clockwise rotation matches the flywheel direction on these applications. The 11-tooth pinion must mesh cleanly with the ring gear; any mismatch in tooth profile or diameter causes engagement failure or premature wear on both components.

The Hidden Cost of Incorrect Fitment

Ordering a starter based solely on a base part number without verifying spline count, pinion diameter, and mounting pattern leads to two outcomes: it either does not bolt on at all, or it bolts on but fails to engage. The first scenario means return freight and extended downtime. The second is worse, as forced engagement damages the flywheel ring gear, turning a simple replacement into a major teardown [NEED_CITE: flywheel ring gear damage from starter misalignment]. We verify fitment by serial range to prevent both scenarios.

Verification and Supply Capability

We produce selected part lines in our own facility and source the remainder from qualified ISO-certified manufacturing partners, so both carry the same quality control and warranty terms. Our technical team confirms compatibility by machine model, serial number, photograph, or nameplate image. Cross-reference verification covers superseded and alternate numbers, preventing orders based on outdated catalogs. Sample supply is available for fitment confirmation before bulk commitment. One account covers eight categories, so a complete job list ships as one consignment.

Documentation & Verification

• Commercial invoice and packing list referencing machine model and serial range.
• Part compatibility and cross-reference sheet marked reference only for all OEM numbers.
• Quality inspection record confirming spline count, pinion OD, and mounting hole dimensions.
• Warranty terms covering manufacturing defects for 3-12 months.
• Packing photographs showing unit condition before dispatch.
• HS code and customs documentation support for international shipment.

Fitment Check Before Installation

• Compare 11-tooth spline and 40.2mm pinion OD against the removed unit before installation.
• Verify three unthreaded mounting holes align with bell housing studs or bolt pattern.
• Check electrical connector type and polarity match the machine harness.
• Confirm CW rotation direction matches flywheel engagement requirement.
• Test engagement without starting to verify pinion mesh before full cranking.
• Return unit immediately if spline count or pinion diameter does not match.

Request Fitment Verification

Provide your machine model, serial number, or a photograph of the existing starter nameplate and mounting flange. We will verify the cross-reference, confirm spline count and pinion diameter match your specific application, and advise on any superseded numbers that may apply to your serial range.

Frequently Asked Questions

Q: How do I confirm this Starter Motor for Bobcat S750 / Kubota V2203 cross reference fits my specific machine? A: Provide the machine model and serial number, or a clear photograph of the existing starter nameplate and mounting flange. We cross-reference the 11-tooth spline count, 40.2mm pinion OD, and 3-hole mounting pattern against your specific serial range to confirm fitment before dispatch.

Q: My old part number is not listed in your cross-reference table — can you still match it? A: Yes. Many older numbers have been superseded or replaced by alternate references across machine generations. Send us the worn part number, machine model, or a photograph of the unit. We verify against superseded tables and physical dimensions to confirm interchange compatibility.

Q: Why are there multiple part numbers for what looks like the same starter? A: The same base starter may be supplied in several variants across model series, with differences in spline count, pinion diameter, or mounting pattern. We verify which variant fits your specific machine serial range to prevent ordering a unit that bolts on but fails to engage.

Q: I only have a machine model with no readable nameplate — can you identify the right unit? A: Yes. We identify starters from machine model alone by cross-referencing production serial ranges and known configurations. For added certainty, a photograph of the mounting flange and electrical connector helps confirm the exact variant required for your application.

Q: Can I order one sample to test fitment before placing a bulk order? A: Yes. We supply single units for fitment confirmation before bulk commitment. This allows you to verify spline engagement, mounting pattern, and electrical connection on your specific machine before ordering for a fleet or distributor stock.