Skip to content
ALBERTA-BASED · Serving customers across Western Canadasales@northcore.parts
6689371 Roller Assembly – Fits Bobcat

NC-008046 · Undercarriage Parts

6689371 Roller Assembly – Fits Bobcat

CAD 571.48

In stock

Roller Assembly – reference 6689371. Catalogue-listed applications: Bobcat T140, T180, T190, T200, T250, T300, T320. View photos, specifications, CAD pricing and delivery options from NorthCore.

Standard delivery: 3–7 business days. Other services and estimates are shown at checkout. Minimum online order: CAD 100 in parts, excluding shipping and tax. Add this part to your cart to calculate delivery and review your order.

Ask about this part

Part specifications and references

NorthCore code
NC-008046
Reference numbers
6689371, 6686632, 6732901, UNI70-0078
Listed package quantity
1
Product information and configuration
Quantity indicated in catalogue: 1

Replacement part: Roller Assembly Fits Bobcat T590 T630 T650 T770 T320 T750. 

Configuration: Bottom Roller Assembly Fits Bobcat Compact Track Loaders
This solid-mount bottom track roller is a direct replacement Fits Bobcat compact track loaders (CTL) running rubber track undercarriages. The roller guides both sides of the track lugs along the undercarriage frame, supporting the machine's weight and ensuring smooth, stable ground contact across demanding job-site conditions. Important: This roller is for solid-mount undercarriages only -- it is NOT compatible with suspension-mount (spring/oscillating) undercarriage systems, and it is NOT for use with steel tracks. This is the current 2-bolt style roller and replaces the older threaded-post style.
Specifications
Mounting: Solid mount, 2-bolt style
Threaded holes: 45mm
Length: 7-5/8 in.
Outer diameter: 7-7/8 in.
Shaft diameter: 1-3/4 in.
Compatible Models
Fits Bobcat Compact Track Loaders (Solid Mount Undercarriage Only):
All serial numbers: 864, T140, T180, T190, T200, T250, T300, T320
Serial number restrictions apply to the following models -- verify your serial number before ordering:
T550: S/N A7UJ11001 and later; AJZV11001 thru AJZV13999
T590: S/N A3NR11001 thru A3NR15598; A3NS11001 thru A3NS11999; ALJU11001 thru ALJU16824; B37811001 thru B37811103
T630: S/N A7PU11001 thru A7PU14999; AJDT11001 thru AJDT12999
T650: S/N A3P011001 thru A3P019999; A3P111001 thru A3P113999; ALJG11001 thru ALJG15999; T1ML11001 and above; B2KZ11001 thru B2KZ11999
T750: S/N ANKA11001 thru ANKA14999; ATF611001 and above
T770: S/N A3P811001 thru A3P815999; A3P911001 thru A3P912999; AUYB11001 and above; AN8T11001 and above; ATF711001 and above; B3BW11001 thru B3BW11999
Replaces Part Number(s):
6689371, 6686632, 6732901, UNI70-0078
Aftermarket Interchange Numbers
UNI70-0051
New aftermarket replacement part - not remanufactured, not used.

Reference numbers: 6689371, 6686632, 6732901, UNI70-0078

Catalogue-listed applications

Use these as reference information. Check the part numbers, specifications and any application restrictions against your equipment.

  • Bobcat T140
  • Bobcat T180
  • Bobcat T190
  • Bobcat T200
  • Bobcat T250
  • Bobcat T300
  • Bobcat T320
  • Bobcat T1ML11001 and above
  • Bobcat ATF611001 and above
  • Bobcat AUYB11001 and above
  • Bobcat AN8T11001 and above
  • Bobcat ATF711001 and above
  • Bobcat and it is NOT for use with steel tracks. This is the current 2-bolt style roller and
Application notes
  • One New Aftermarket Replacement Bottom Roller Assembly Fits Bobcat Compact Track Loaders
  • This solid-mount bottom track roller is a direct replacement Fits Bobcat compact track loaders (CTL) running rubber track undercarriages. The roller guides both sides of the track lugs along the undercarriage frame, supporting the machine's weight and ensuring smooth, stable ground contact across demanding job-site conditions. Important: This roller is for solid-mount undercarriages only -- it is NOT compatible with suspension-mount (spring/oscillating) undercarriage systems, and it is NOT for use with steel tracks. This is the current 2-bolt style roller and replaces the older threaded-post style.
  • Fits Bobcat Compact Track Loaders (Solid Mount Undercarriage Only):
  • All serial numbers: 864, T140, T180, T190, T200, T250, T300, T320
  • Serial number restrictions apply to the following models -- verify your serial number before ordering:
  • T550: S/N A7UJ11001 and later; AJZV11001 thru AJZV13999
  • T590: S/N A3NR11001 thru A3NR15598; A3NS11001 thru A3NS11999; ALJU11001 thru ALJU16824; B37811001 thru B37811103
  • T630: S/N A7PU11001 thru A7PU14999; AJDT11001 thru AJDT12999
  • T650: S/N A3P011001 thru A3P019999; A3P111001 thru A3P113999; ALJG11001 thru ALJG15999; T1ML11001 and above; B2KZ11001 thru B2KZ11999
  • T750: S/N ANKA11001 thru ANKA14999; ATF611001 and above
  • T770: S/N A3P811001 thru A3P815999; A3P911001 thru A3P912999; AUYB11001 and above; AN8T11001 and above; ATF711001 and above; B3BW11001 thru B3BW11999
  • Aftermarket Interchange Numbers
  • New aftermarket replacement part - not remanufactured, not used.

Browse related parts

Other listings with this reference

These are separate offers. Compare each listing’s specifications, package details and price.

NORTHCORE EQUIPMENT SUPPLY

Search the parts catalogue

Browse equipment parts, compare prices and order online. By part number · By category · By equipment make

Prices in CADDelivery across Canada

Minimum parts order: CAD 100 · Shipping and taxes calculated at checkout

All parts

Loading parts…

MORE THAN A CATALOGUE

Can’t see the part you need?

Tell us what you’re looking for. We’ll work on finding it.

Part details
Shipping and taxes calculated at checkout.Minimum online order: CAD 100 in parts.

Choose your part using the listed numbers and specifications. Availability, shipping and taxes are checked at checkout.

Listed applications
Your parts cart

Your parts cart

Your cart is saved on this device for 30 days. Prices and availability are checked again when you order.

Review your parts and quantities, then continue to delivery and payment.

Delivery and applicable taxes are calculated at checkout.

Need help with this order? Send an enquiry

Send a parts enquiry

Send your request directly to NorthCore. Your selected parts and quantities are included automatically. Machine details are optional.

For kits and packs, tell us the number of units or packs needed. We’ll confirm exactly what is included.

We’ll reply by email. Sending this enquiry does not create an order or take payment.

By sending, you ask NorthCore to contact you about this enquiry. Your details are processed through Formspree, which may process information outside Canada. No marketing signup. Privacy Notice.

PARTS SOURCING

WE CAN HELP

Can’t find your part?

Send us the part number or a description. Our team will look for options and reply by email.

Parts request

Tell us what you need. Only three fields are required (*). Send your request here — no email app needed.

Add machine & company details (optional)
Have photos or a nameplate?
Email them to sales@northcore.parts using the same name and part details. This form sends text only.

We’ll review your details and reply by email. No order or payment is created.

By sending, you ask us to contact you about this enquiry. Your details are processed through Formspree, which may process information outside Canada. No marketing signup. Read our Privacy Notice (new tab) and Terms & Ordering (new tab).