Staff Answer
Aug 04, 2026 - 09:33 AM
Thank you for your inquiry.
Based on the information available, here's what we found regarding the Tow-Rite Electric Jack #3500 (TRTR140010):
- Outer Tube Diameter: 2-1/4" (2.25"), which is the industry-standard size for A-frame electric tongue jacks and should match your existing Bulldog 500187 opening.
- Mounting Flange: It uses the standard A-frame 3-bolt triangular mounting pattern (approximately 3.5" center-to-center between mounting holes), making it compatible with standard trailer A-frame installations.
- Powerhead/Housing Depth: Unfortunately, Tow-Rite does not publish the front-to-back housing dimension, and we don't have a verified measurement available. Because your installation has very tight clearance with a bike rack, we can't confidently confirm that it matches the Bulldog 500187's approximate 8.5" housing depth.
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