John Deere 320G Attachment Guide — Compatible Attachments and Flow Guide
The John Deere 320G is a popular mid-frame G-Series skid steer with a vertical-lift boom and 2,190 lb ROC. At 21 GPM standard flow with optional 30 GPM high flow, here's exactly what attachments work — and what needs the high-flow option.
Based on published John Deere manufacturer specifications, native SSQA coupler standards, and Canadian dealer context (Cervus Equipment (Prairies), RDO Equipment, and regional JD dealers). Written for Canadian operators evaluating attachments for the John Deere 320G. Not a dealer — no inventory verification. Last reviewed: 2026-03-17 by Skid Steer Attachments Canada.
Quick Fit Answer
Start with capacity, hydraulic flow, and coupler fit before comparing attachment brands.
Use this for attachment weight plus payload.
Primary number for augers, grapples, brooms, and most buckets.
Confirm the option is installed before buying high-flow attachments.
Mechanical fit still needs hydraulic and weight checks.
John Deere 320G Machine Specs
The 320G is John Deere's mid-frame G-Series skid steer, positioned between the smaller 312GR and the large-frame 332G. It features a vertical-lift loader design and a Tier 4 Final engine producing 69 gross HP. These are the factory specifications for the standard 320G configuration.
John Deere 320G — Factory Specifications
QuikTatch Coupler Notes
The 320G uses John Deere's QuikTatch system. QuikTatch geometry follows the SSQA (Standard Skid Steer Quick Attach) standard, meaning:
- Universal SSQA attachments fit directly — any attachment marked "universal skid steer fit" or "SSQA compatible" mounts without an adapter
- John Deere Work Tools marked SSQA-compatible fit without modification
- Third-party Canadian brands — HLA Attachments, Degelman, and Paladin all make SSQA-compatible attachments that mount directly to the 320G
- Non-SSQA systems (some CTL plates, JRB style) require an adapter plate
Full Compatibility Matrix
Standard flow = 21 GPM, high flow = 30 GPM (if equipped). ROC = 2,190 lbs.
Standard Flow (21 GPM) — Runs Without High-Flow Option
| Attachment | Compatibility | Notes |
|---|---|---|
| GP Buckets (dirt, gravel, rock) | ✅ YES | 64–72" optimal; 78" max with light material |
| Pallet Forks | ✅ YES | 2,190 lb ROC; 48" standard forks cover most farm and light construction pallets |
| Bale Spears | ✅ YES | Single-tine and double-tine; handles mid-size round bales up to ROC limit |
| Auger Drives | ✅ YES | Up to 18" bits in most soil types; standard auger drives well within 21 GPM |
| Dozer / Angle Blades | ✅ YES | 80–96" width optimal for this frame |
| Grapples (root, rock, brush) | ✅ YES | Runs all grapple types; 60–72" widths suit this ROC |
| Snow Pushers (box blades) | ✅ YES | 10'–12' optimal; passive pushers need no hydraulics |
| Power Rakes / Landscape Rakes | ✅ YES | Hydraulic rakes run well at 21 GPM |
| Landplanes / Box Blades | ✅ YES | 84–96" typical; passive attachment |
| Post Drivers (hydraulic) | ✅ YES | Standard-flow post drivers operate within 21 GPM range |
| Cement / Concrete Mixers | ✅ YES | Drum mixers typically 10–18 GPM; standard flow sufficient |
| Sweepers (angle brooms) | ✅ YES | Hydraulic brooms typically 12–18 GPM |
| Trenchers (standard flow) | ✅ YES | Standard-flow trenchers run well; verify attachment weight vs 2,190 lb ROC |
| Hydraulic Breakers (mid-size) | ✅ YES | Mid-size breakers in 12–20 GPM range; check manufacturer spec sheet |
| Backhoe Attachments | ✅ YES | Mid-size backhoe attachments; verify weight closely vs ROC |
High-Flow Required (30 GPM) — Needs Optional HF System
| Attachment | Compatibility | Notes |
|---|---|---|
| Mulchers / Forestry Heads | HF REQUIRED | Light-to-mid mulchers (25–30 GPM) run well with HF installed. The 320G is on the smaller side for sustained mulching — size accordingly |
| Snow Blowers (hydraulic) | HF REQUIRED | Most hydraulic snow blowers need 25–38 GPM; HF required |
| Rotary Cutters / Brush Cutters | HF REQUIRED | High-speed rotary motors need 28–35 GPM at full performance |
| Flail Mowers | HF REQUIRED | Commercial flail mowers typically require 25–35 GPM |
| Soil Conditioners / Tillers | HF REQUIRED | Full-size conditioners need 25–38 GPM; HF kit required |
| Cold Planers | HF REQUIRED | Light cold planers start at 28–35 GPM; HF required |
Weight-Limited — Check Against 2,190 lb ROC
| Attachment | Compatibility | Weight Guidance |
|---|---|---|
| Stump Grinders | CHECK WEIGHT | Commercial stump grinders range 1,800–3,500 lbs. At 2,190 lb ROC, the 320G is limited to lighter stump grinder units. Verify attachment weight carefully — and confirm HF is installed as most stump grinders also need high flow. |
| Heavy Trenchers | CHECK WEIGHT | Heavy rock-chain trenchers can exceed the 320G's ROC. Stick to lighter-duty trenchers and verify weight rating. |
| Large Rock Buckets | CHECK WEIGHT | Heavy-plate rock buckets plus dense payload can approach or exceed 2,190 lbs. Choose a lighter bucket profile or reduce fill density. |
| Backhoe (heavy models) | CHECK WEIGHT | Some full-size backhoe attachments exceed the 320G's capacity. Verify attachment weight before purchase. |
Recommended Attachment Widths for the 320G
The 320G runs at approximately 66" overall width. The 2,190 lb ROC and mid-frame build drive these width recommendations.
Buckets
Snow Pushers
Dozer / Angle Blades
Grapples
Power Rakes
Sweepers
Popular Canadian Choices for 320G Owners
The 320G is widely used across Canada for farm operations, acreage work, and light construction. Here's what Canadian operators run most often:
Pallet Forks
The 320G's 2,190 lb ROC suits it well for standard pallet work — building materials, seed bags, and small equipment. Standard 48" forks are the most common choice. For farm use, bolt-on bale spears paired with a pallet fork frame add versatility without buying a second attachment.
Grapples
Root grapples are a popular add-on for Ontario acreage owners who also do fence-line cleaning and woodlot work. The 320G handles a 60–66" root grapple comfortably within its ROC. Brush grapples suit the Prairie provinces for shelter belt clearing and debris management.
Snow Pushers
The 320G is a common machine for hobby farm and small commercial snow management. A 10'–12' pusher works well — large enough for farmyard lanes and small parking lots without overloading the machine's capacity.
Augers
Fence post augers are one of the most practical 320G attachments for rural Canadian use. Standard auger drives work within the 21 GPM standard flow. In Prairie clay-rich soils, a 9" or 12" bit with a hex drive unit is the typical Canadian setup.
320G vs 332G: Which Attachments Cross Over
The 332G is John Deere's large-frame skid steer with 3,200 lb ROC and 23.9/33.5 GPM hydraulics. If you're comparing the two for attachment capability:
- All SSQA attachments cross over: The QuikTatch system is the same geometry on both models. Any attachment sized appropriately for either machine will mount to both.
- ROC limits what you can lift: The 332G's 3,200 lb ROC vs the 320G's 2,190 lb ROC means the larger machine can carry heavier buckets, larger stump grinders, and more demanding forestry tools.
- High-flow advantage on the 332G: The 332G's 33.5 GPM HF vs the 320G's 30 GPM HF gives the larger machine more headroom for demanding mulchers and soil conditioners.
- Same attachment library for standard-flow items: Buckets, grapples, pallet forks, blades, rakes, augers — sized appropriately for each machine's frame and ROC — work the same way on both.
John Deere 320G Buyer FAQ
Can a John Deere 320G run a mulcher?
Yes, with the optional 30 GPM high-flow system installed, the 320G can run light-to-mid mulchers rated 25–30 GPM. The 320G is on the smaller side for sustained mulching — larger commercial forestry heads requiring 32 GPM or more will be flow-starved. Confirm the specific machine is equipped with the optional high-flow system before purchasing a mulcher.
What bucket size is best for a John Deere 320G?
A 64–72 inch bucket is optimal for the 320G's 2,190 lb ROC and approximately 66 inch overall width. A 72 inch GP bucket is the standard choice for most Canadian farm and construction operations. The vertical-lift boom geometry helps maintain reach at height when loading trucks, which makes a well-sized bucket more productive per cycle than an oversized one.
What quick-attach system does the John Deere 320G use?
The 320G uses John Deere's QuikTatch system, which follows the SSQA (Standard Skid Steer Quick Attach) standard. Any attachment marked "universal skid steer fit" or "SSQA compatible" mounts directly without an adapter. John Deere WorkSite Pro branded attachments and third-party Canadian brands like HLA Attachments and Degelman all fit the 320G natively.
How does the John Deere 320G perform for farm operations in Ontario and the Prairie provinces?
The 320G is well-suited for mid-size farm and acreage operations across Ontario and the Prairies, where John Deere's dealer network through Cervus Equipment (Western Canada) and WFD Tractor (Ontario) provides strong service support. At 2,190 lb ROC it handles round bales, building supply pallets, and post driving comfortably. The vertical lift arm is an advantage for grain bag and hay bale work where maintaining load height during stacking matters.
Start with the 320G's bread-and-butter attachments
The 320G is usually bought for general-purpose work, so the most useful next clicks are buckets, grapples, and trenchers that fit a mid-frame machine with standard flow. Save the high-flow shopping pass for machines that are already optioned that way.