Intermediate Gear Shaft 420620687 by Can-Am

Genuine Can-Am Intermediate Gear Shaft — OEM Part #420620687

Grinding gears, popping out of range and vibration all point to the drivetrain. The genuine Can-Am Intermediate Gear Shaft restores factory shifting and power delivery on your Can-Am ATV or side-by-side, built to the exact dimensions of the original so it meshes and mounts correctly.

The gearbox, shift mechanism, differentials and drive shafts carry the full torque of the engine. Worn or mismatched parts cause noise, hard shifting and expensive failures. This part is confirmed for 22 Can-Am models from 2013 to 2015. See the full fitment list below.

Intermediate Gear Shaft at a Glance

• OEM part number: 420620687
• Brand: Can-Am by BRP (genuine factory part)
• Part type: Transmission Components
• Fits: Commander crossover side-by-side and Maverick sport side-by-side models, 2013–2015
• Condition: New

Can-Am Models and Years This Intermediate Gear Shaft Fits

Genuine Can-Am part #420620687 fits the models and years below. To be certain, match the part number to the factory parts diagram for your machine or contact us with your VIN before ordering.

Can-Am Commander crossover side-by-side Fitment

Can-Am Maverick sport side-by-side Fitment

Why Choose a Genuine Can-Am OEM Intermediate Gear Shaft?

• Exact gear, spline and bearing fit
• Restores smooth, positive shifting and range selection
• Designed for full engine torque and load
• Lowers the risk of repeat failures
• Sold by Witchdoctors, with factory part numbers and parts diagrams for every Can-Am model we support

Features and Materials

Key Features

• Genuine Can-Am OEM drivetrain part, part #420620687
• Machined to BRP's original specifications
• Hardened surfaces where applicable
• Matches factory seals, bearings and mounting
• Designed for the listed Can-Am models

Materials and Construction

Can-Am drivetrain parts use heat-treated alloy steel for gears, shafts, forks and splines, sealed bearings, and aluminum or cast housings, with oil- and weather-resistant seals and boots.

Common Reasons Riders Replace This Part

• Fixing grinding, popping out of gear or hard shifting
• Rebuilding gearboxes, gearcases and differentials
• Fixing 4WD or differential-lock engagement problems
• Repairing leaks and vibration from drive shafts and U-joints

Signs Your Intermediate Gear Shaft Needs Replacing

• Grinding, clunking or whining
• Popping out of gear or trouble selecting range
• Vibration that grows with speed
• Oil leaks at seals, covers or differentials
• 4WD or diff lock that will not engage or release

Installation Tips

1. Drain gearbox or differential fluid before disassembly.
2. Follow the BRP service manual for shimming, preload and torque specs.
3. Replace seals, O-rings and gaskets you disturb.
4. Lubricate gears and bearings with the specified fluid during assembly.
5. Refill with the correct fluid and amount, then test-ride and check for leaks.

Not sure whether to tackle it yourself? Read when to seek professional help or DIY before you start.

Can-Am Parts Diagrams for Your Machine

Find part #420620687 and every part installed with it in the factory Can-Am parts diagrams for your model:

• 2015 Can-Am Commander 800 parts diagrams
• 2015 Can-Am Commander 800 DPS parts diagrams
• 2015 Can-Am Commander 800 XT parts diagrams
• 2015 Can-Am Commander 1000 parts diagrams

Related OEM Parts for the Same Machines

Doing the job right? These genuine Can-Am parts fit the same models and are often replaced at the same time:

• Can-Am Ball Bearing (#705401646)
• Can-Am 4x4 Switch (#710001737)
• Can-Am Actuator (#415129174)
• Can-Am Ball Bearing (#705401608)
• Can-Am Ball Bearing (#705500260)
• Can-Am Ball Bearing (#705401605)

Recommended Accessories and Maintenance Supplies

Pair your Intermediate Gear Shaft with these parts and supplies:

• Transmission parts and fluid — Gearbox parts and fluids
• Differential parts — Gears, bearings and seals
• Drive and propeller shafts — Prop shafts and U-joints
• Transmission oil — Gear oil for refilling after service
• Can-Am OEM parts diagrams — find every factory part for your model

Helpful Guides from the Witchdoctors Blog

• Fix UTV & ATV Gearcase Grinding: Popping Out of Gear
• Bad UTV Propeller Drive Shaft Symptoms: Fix Floorboard Shaking
• Bad UTV & ATV U-Joint Symptoms: Fix Driveshaft Vibrations
• Can-Am OEM vs. Aftermarket Parts: Which Is Better?

Frequently Asked Questions

What is the OEM part number for this Can-Am Intermediate Gear Shaft?

The genuine Can-Am part number is 420620687. Use it to match this part to your factory parts diagram.

Which Can-Am models does part #420620687 fit?

It fits 22 Can-Am Commander and Maverick models from 2013 to 2015. The complete list is in the fitment tables above.

Is this a genuine Can-Am part?

Yes. This is a genuine Can-Am OEM part from BRP, the same part number used at the factory, not an aftermarket copy.

What fluid should I use?

Use the gearbox and differential fluids in your Can-Am operator's guide. The wrong fluid can cause wear and engagement problems.

Should I replace bearings and seals during a rebuild?

Yes. They are inexpensive compared to labor.

Can a bad drivetrain part damage other components?

Yes. Worn parts shed metal into the fluid and damage gears and bearings. Repair problems early.

Order Your Genuine Can-Am Intermediate Gear Shaft Today

Get your Can-Am ATV or side-by-side back to factory condition. Add the genuine Can-Am Intermediate Gear Shaft (part #420620687) to your cart today, and order the related parts above at the same time so you can finish the job in one go.

• How long will it take to receive my order?
• Shipping and return policy
• Questions about fitment? Contact us
• Shop all Can-Am OEM parts

Where to Ride Your Can-Am

Ready to put your machine to work? These off-road parks welcome both ATVs and UTVs. Check each park's current rules, vehicle-width limits and permit requirements before you go.

• Spearhead Trails — southwest Virginia: a multi-trail system across the Virginia coalfields
• The Mounds ORV Park — Mt. Morris, Michigan: a 370-acre park open year-round