Attachments for a Caterpillar 239D3
A Caterpillar 239D3 is a 8,140 lb (3.69 t) skid steer, which puts it in the 2–4 t class. It mounts attachments through a Universal Quick-Attach interface rather than bucket pins. 14 attachments in the Quarrymark range fit a Caterpillar 239D3: 7 digging buckets, 2 hydraulic hammers, 2 post driver hammers, 1 rake and 1 skeleton bucket, plus 1 trenching bucket. None is graded a direct fit yet, but 6 are rated for this weight class and 8 need a mounting detail confirmed before they ship. Prices start at $1,035.20.
Caterpillar 239D3
| Operating weight | 8,140 lb · 3.69 t |
|---|---|
| Weight class | 2–4 t · mini |
| Bucket pin diameter | N/A (quick-attach carrier) |
| Coupler / interface | Universal Quick-Attach |
| Machine type | Skid Steer |
| Attachments that fit | 14 (0 direct fit) |
Operating weight is from the manufacturer’s published spec sheet. Pin diameter and coupler style are derived from that weight against our own tonnage bands. They are the right starting point for a machine in this class, not a statement about your specific unit. Verify both against your OEM spec, or send us a photo of the stick end and we will confirm it before you order.
14 attachments for a 239D3
We grade the fit rather than answer yes or no. Direct fit means the weight class and the mounting both check out. Fits your class means the attachment is rated for a machine of this weight and mounts pin-on. Verify first means something, usually the pin diameter, needs confirming before it ships. Telling a contractor a bucket fits when it does not is how you earn a freight claim.
Everything that fits a Caterpillar 239D3
Digging Buckets for a 239D3
7 digging buckets
Fits your class
Fits your class
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BorderlineHydraulic Hammers for a 239D3
2 hydraulic hammers
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BorderlinePost Driver Hammers for a 239D3
2 post driver hammers
Fits your class
Fits your classRakes for a 239D3
1 rakeSkeleton Buckets for a 239D3
1 skeleton bucketTrenching Buckets for a 239D3
1 trenching bucketBuying attachments for a Caterpillar 239D3
What size bucket fits a Caterpillar 239D3?
Buckets from 12" up to 48" wide are rated for a Caterpillar 239D3. The widths we stock in this class are 12", 18", 24", 30", 48". On a 3.69 t machine the narrow end of that range is the trenching and utility-line width, and the widest sizes are for grading and cleanup, where you are moving loose material rather than breaking ground. Go wider than the machine's rated capacity and you will feel it as lost breakout force and a tippy load at full reach, not as a fitment problem.
How do attachments mount to a Caterpillar 239D3?
A Caterpillar 239D3 mounts through a Universal Quick-Attach interface, not bucket pins. Any attachment built to that standard drops on without measuring pin diameter, which is why the fit grading on this page keys on the coupler and the machine's 3.69 t operating weight instead.
Can I run a hydraulic hammer on a Caterpillar 239D3?
Yes. 4 of our hammers are rated for a machine this size. They run 350–1,018 joules of impact energy, which is the range a 3.69 t carrier can actually feed. The constraint is hydraulic, not structural: the machine needs an auxiliary circuit with the flow and relief pressure the hammer is specified for, and a machine plumbed only for a thumb will not run a breaker without the second circuit. Check your auxiliary flow on the machine's spec plate, or send it to us and we will match the hammer to it.
Will a quick coupler fit a Caterpillar 239D3?
We do not currently list a coupler rated for a 3.69 t machine in this catalog. Tell us the machine's stick-end pin centres and we will source one. Call (704) 555-0140.


