Towing & Driving
BOS 3 Rib 50 Dia, Jockey & Base Plate Kit
Engineer-grade gearbox jockey kit for effortless caravan setup
Why this product?
🎁 Pre-order the BOS 3 Rib Jockey Wheel and go in the draw to WIN a Ryobi ONE+ Compact Hammer Drill Kit + LINK Organiser — valued at $189. Draw closes 19 October 2026. One entry per pre-order. Don't miss out.
- Effortless operation — hand or cordless drill
- 1800kg LMATS-tested capacity
- 400mm extended travel
- Swivel base plate for flexible positioning
- Can stay on while travelling
- Complete kit included
About this product
🤝 New to Viaggo NZ — BOS Has Arrived
We're excited to partner with BOS, one of Australia's most trusted names in engineer-grade caravan hardware. Now available in New Zealand through Viaggo.
The BOS 473-003 is a 3 Rib Gearbox Jockey Unit with articulated base plate, designed for caravans with a 50mm clamp. LMATS Tested to 1800kg in a rigid clamp setup, it features the patented BOS® Gearbox — operable by cordless drill or manual handle as a backup. With 400mm of extended travel, the unit can even be left on while travelling when locked with medium clutch setting and the BOS® travelling strap.
- Fits into your existing 50mmØ clamp
- Patented BOS® Gearbox — effortless operation with cordless drill or manual handle backup
- LMATS Tested up to 1800kg in a rigid clamp setup
- 400mm extended travel
- Can be left on while travelling — lock with medium clutch + BOS® travelling strap
- Articulated base plate adjusts to uneven ground up to 30°
- 120mm pipe extension included for extra height
📦 Pre-Order — Stock Arriving: estimated 4–6 weeks
Place your order now to secure your unit. We'll notify you by email once stock lands in our warehouse and your order is ready to dispatch.
⚠️ Pre-Order Disclosure: Payment is collected at the time of purchase. Estimated arrival date is 4–6 weeks from order date. Orders are fulfilled in the order received. You may request a full refund at any time prior to dispatch. Contact us at enquiries@viaggo.co.nz.
Why this beats the alternatives
The patented BOS Gearbox delivers serious torque with minimal effort. It's LMATS tested to 1800kg, includes a swivel base plate for flexible positioning, and the drill attachment turns a 5-minute job into a 30-second one.
Who it's for
Caravan owners who want a faster, easier, and more reliable jockey wheel setup for regular travel or campsite setup.
