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Description
Bradco / Paladin built
30", 36" and 42" digging depth
18–45 GPM
Overview
This Bradco skid steer trencher — the 640 Series — digs to 30", 36" and 42" on a skid steer quick attach, running on 18–45 GPM. Chain widths of 6", 8", 10" and 12" are available, and the 640 is ordered by motor option to match your loader flow. Bradco offers five motor options across 18–26, 25–28, 29–35 and 35–45 GPM, so the trencher is matched to the machine rather than the machine to the trencher.
Key Features of the Bradco 640 Skid Steer Trencher
- Five motor options across 18–45 GPM to match the flow of many skid steer loaders.
- 50,000 lb 2" anti-back flex-chain for tooth pattern versatility.
- Chain widths 6", 8", 10" and 12", so trench width is chosen independently of depth.
- 18" spoil discharge reach keeps the spoil clear of the trench edge.
- A trenching attachment matched to soil type — Bradco publishes tooth patterns against soil conditions rather than leaving it to guesswork.
- A skid steer trencher attachment, not a dedicated machine — the loader you already own becomes the power unit.
- The most configurable trencher attachment for skid steer work in the Bradco range, with depth, chain width, motor and tooth pattern all specified at order.
Why Choose the 640 Series Skid Steer Trencher
- Tooth pattern is matched to soil, not to the machine. Cup, Shark and Rock & Frost options mean the same trencher works in loam and in frozen ground.
- Flow decides the motor, and the motor decides the dig rate. Ordering the motor that matches your loader is what determines productivity — an undersized motor simply digs slowly.
- Depth is fixed at purchase. Boom length sets maximum digging depth, so choose for the deepest trench you actually cut rather than the average.
Bradco 640 Series Specifications
| Specification | Detail |
|---|---|
| Series | 640 |
| Carrier | skid steer |
| Digging depth | 30", 36" and 42" |
| Chain widths | 6", 8", 10" and 12" |
| Flow requirement | 18–45 GPM |
| Ordered by | motor option to match your loader flow |
| Tooth options | Cup, Shark, Rock & Frost |
Which Trencher Series Do You Need?
Bradco builds three trencher series. They differ by carrier class, digging depth and the flow their motors are built around.
| Series | Carrier | Digging depth | Chain widths | Flow |
|---|---|---|---|---|
| 615 / 615F | Mini loader | 24", 30", 36" | 6" | 6–10 or 10–16 GPM (two motor options) |
| 625 | Skid steer | 30", 36", 42", 48", 60" | 6", 8", 10", 12" | 14–22 GPM at 2,000–3,000 PSI |
| 640 | Skid steer | 30", 36", 42" | 6", 8", 10", 12" | 18–45 GPM (five motor options) |
For deeper trenches the 625 Series reaches 60". For mini loaders, the 615 Series digs to 36" on 6–16 GPM.
All three series take the same tooth options — Cup, Shark, and Rock & Frost — so the chain is matched to the ground rather than to the machine. Cup teeth suit normal digging; Rock & Frost are for the conditions their name describes.
Which Machines Fit the 640 Series?
The 640 mounts on a skid steer quick attach and requires 18–45 GPM at the auxiliary circuit. Because Bradco offers more than one motor across the trencher range, flow is matched at the point of order rather than being a pass/fail limit.
| Machine requirement | Specification |
|---|---|
| Auxiliary flow | 18–45 GPM |
| Mount | skid steer quick attach |
| Digging depth available | 30", 36" and 42" |
| Chain widths available | 6", 8", 10" and 12" |
Confirm your loader's auxiliary flow before ordering so the correct motor is supplied. If you are unsure, contact eskidsteer.com at (866) 757-8337.
640 Series Trencher Questions, Answered
Why does the 640 come in five motor options?
Because skid steers vary from roughly 18 to 45 GPM. Rather than one motor that compromises at both ends, Bradco builds five so the trencher matches your machine. Order the one that matches your auxiliary flow.
Can I change trench width later?
Chain width is a component, so a different width chain and tooth set can be fitted. Digging depth, however, is set by boom length and fixed at purchase.
Is a skid steer trencher for sale better value than renting?
If you trench more than a few times a year, ownership usually wins — but the deciding factor is matching the motor to your loader, since an undersized motor digs slowly regardless of who owns it.
What tooth options are available?
Cup, Shark, and Rock & Frost. Cup teeth suit normal digging conditions; Rock & Frost are specified for rock and frozen ground.
How deep will it dig?
The 640 Series digs to 30", 36" and 42". Boom length is fixed, so digging depth is chosen at purchase.
How do the three Bradco trencher series compare?
The 615 is a mini loader machine digging to 36 inches on 6-16 GPM. The 625 and 640 are skid steer machines: the 625 offers the widest depth range to 60 inches, and the 640 offers five motor options spanning 18-45 GPM.
Is a trencher the right skid steer digging attachment for my job?
For narrow, straight, consistent-depth runs a trencher is far faster than a bucket. For irregular excavation a bucket or auger is the better tool. Trench width here is set by chain width, from 6 to 12 inches.
How is shipping calculated?
Shipping is calculated at checkout — simply add the item to your cart, enter your delivery address, and the shipping charge will be displayed before you complete your order.
640 Series Documentation
Shipping
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Phone: +1 8667578337
Email: support@eSkidsteer.com
Address: 30 North Gould St Suite R, Sheridan, WY 82801, USA
Returns
Returns
We offer returns and exchanges in limited circumstances as follows:
- In order to submit a return, you must contact us by email at support@eSkidsteer.com for us to confirm the items ordered are eligible for return or exchange;
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- it must be unused, for example, once an item is hooked up to an attachment plate, hydraulic lines or electrical connection, it will not be eligible for return. Likewise, if your item shows any sign of use, which we may determine in our sole and absolute discretion, we will not accept the return;
- it must be in the same condition you received it in. You will be required to send us timestamped photos of the condition of your items as a condition to determine your eligibility for the return or exchange; and
- it must be returned in the same packaging or containers as it was received in.
We do not accept returns for products that were listed as final sale items at the time of purchase.
You agree to pay a 25% restocking fee on all returns, which we will deduct from any refund owing to you.
After the above referenced 30-day period, unfortunately we cannot offer you a refund or exchange, under any circumstances.
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