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Description
STANLEY hydraulic breakers for skid steer loadersDESCRIPTION Small Mounted Breakers for Skid Steers MB156 MB256 MBF5 MB05 MB556 MB10 STANLEY Infrastructure knows what you look for in a small mounted breaker, thats why our MB series focuses on simplicity, easy maintenance, and powerful breaking performance. All MB breakers have only two moving parts which means better performance and less frequent service intervals. At the lower end of the housing, we added steel reinforcement to not only protect the
DESCRIPTION
MB156 | MB256| MBF5 | MB05 | MB556 | MB10
STANLEY Infrastructure knows what you look for in a small mounted breaker, that’s why our MB series focuses on simplicity, easy maintenance, and powerful breaking performance. All MB breakers have only two moving parts – which means better performance and less frequent service intervals. At the lower end of the housing, we added steel reinforcement to not only protect the housing, but to protect the power cell and keep operators running longer. A superior valve design allows for a wider range of pressures and flows. lowering stress on components. Plus, the light tool weight contributes to a broader carrier range.
Features:
•Advanced breaker design technology for output energy and efficiency.
•Minimal moving parts, only two for less maintenance, better performance and less service.
•Superior valve design for operation within a broader range of pressures and flows with less heat and stress on components.
•Added steel reinforcement at lower end of housing to protect housing and power-cell.
•Side-plate bolt locking system keeps bolts from loosening.
•Lighter weight allowing choice of smaller carrier.
•Supported power-cell by rubber cushions and urethane wear plates to absorb shock and vibration and reduce wear - MB556
•Direct acting nitrogen chamber boosts the power of each hammer blow.
SPECS
| MODEL | MB156 | MB256 | MB05 | MBF5 | MB556 | MB656 | MBX15 | |
| Impact Energy Class | Ft/lbs | 175 | 350 | 550 | 550 | 750 | 870 | 1500 |
| Blows Per Minute | BPM | 600-1200 | 700-1200 | 650-1550 | 650-1550 | 590-1100 | 600-1000 | 400-800 |
| Weight (Tool & Mounting Brkt) | Lbs (kg) | 173 (79) | 493 (224) | 480 (218) | 463 (210) | 752 (340) | 872 (396) | 1168 (531) |
| Length (Tool & Mounting Brkt) | In (mm) | 42 (1069) | 51 (1295) | 53 (1350) | 48 (1220) | 63 (1600) | 66 (1689) | 69 (1760) |
| Tool Working Length | In (mm) | 11 (279) | 15 (381) | 15 (381) | 15 (381) | 15 (381) | 18 (457) | 16.6 (426) |
| Tool Diameter | In | 1.75 (44) | 2.5 (64) | 2.7 (70) | 2.7 (70) | 2.7 (69) | 3 (76) | 3.3 (85) |
| Hydraulic Pressure | PSI | 1800-2100 | 1400-1700 | 1500-2000 | 1500-2000 | 1600-2000 | 1700-1900 | 1885-2200 |
| Flow Range | GPM | 4-10 | 9-16 | 10-22 | 10-22 | 12-22 | 16-24 | 15-25 |
| System Relief Pressure (Minimum Cracking) | PSI | 2600 | 2600 | 2600 | 2600 | 2600 | 2600 | 3000 |
| Sound Power Level (LW) | dBA | 116 | 122 | 126 | 126 | 124 | 121 | 126 |
| MODEL | DESCRIPTION |
|---|---|
| MB25600SS | Stanley - Skid Steer - 9" Pin Centers |
| MB2570SB | Cradle Skid Steer - 11" Pin Centers |
| MB2570SS | 2 Position Skid Steer - 11" Pin Centers |
| MB2570XCS | Skid Steer with Exchange Top |
| MB05S02 | Stanley - 4 Position Cradle Skid Steer - 9" Pin Centers and Flange Top |
| MB05S04 | Stanley - Skid Steer with CP027 Top |
| MB05S05 | Stanley - Skid Steer with Exchange Top |
| MBF5S02 | Stanley - Skid Steer - Fixed 20 Degrees |
| MBF5S04 | Stanley - Skid Steer with CP027 Top |
| MBF5S05 | Stanley - Skid Steer with Exchange Top |
| MB55600SS | Stanley - Skid Steer - Fixed 20 Degrees |
| MB5570SB | Stanley - Skid Steer - Fixed 20 Degrees |
| MB5570XCS | Stanley - Skid Steer with Exchange Top |
BIG DAVE
Stanley can be a little tough to figure out what you want to order. The support documents and sales team are not much help. Let me take a stab at it and make a few comments.
- MB156 (175 ft lb energy class) very small hammer, up to 2500 lbs. loaders and 2000 to 4000 lbs. excavators. 4-10 GPM hydraulic flow range, Mini loader mount are not in the price book.
- MB256 (350 ft lb energy class) very small hammer, 2500 lbs. to 4500 lbs. loaders and 4000 to 9000 lbs. excavators. 9-16 GPM hydraulic flow range, Mini loader mounts are not in the price book
- MB05 / MBF5 (500 ft lb energy class) common size skid steer hammer, 4000 lbs. to 8500 lbs. loaders and 4200 to 12500 lbs. excavators. 10-22 GPM hydraulic flow range, All the specs read the same between MB05 and MBF5 I am not sure why there is a different model?
- MB556 (750 ft lb energy class) common size skid steer hammer, 4200 lbs. to 9000 lbs. loaders and 4500 to 12500 lbs. excavators. 12-22 GPM hydraulic flow range.
- MB10 (1000 ft lb energy class) common size skid steer hammer, 4200 lbs. to 13500 lbs. loaders and 8500 to 19500 lbs. excavators. hydraulic flow ranges are not listed in any of Stanley's information.
- MB15 (1500 ft lb. energy class) This hammer maybe used on some of the new large machines coming into the market.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
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Product Reviews
★★★★★ 5
Postpartum Opinion
Fit Type: Boyshort, Size: X-Large, Color: Assorted Colors
Bought the boy shorts size XL for postpartum and am still wearing them 8 months later! Holds all the postpartum goods in but are super stretchy too. Sooooo comfy! They do roll up when putting pants on but if you’re wearing them to bed or around the house, amazing!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
★★★★★ 3
To fit or not to fit?
Fit Type: Boyshort, Size: XX-Large, Color: Assorted Colors
NIce quality, comfortable fabric, dries quick, and retains color after multiple washings. However; the fit did not work 100% for me. The legs kind of rode up and the boy shorts had a tendency to ride down, especially with consistent bending up and down activity. Good product but not a perfect fit for my shape. The bikini style was ideal and purchased multiple times.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
Comfortable
Fit Type: Boyshort, Size: Medium, Color: Assorted Colors
These are very comfortable, lovely colors. You need to size down when purchasing a the material is high stretch.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Great choice
Fit Type: Boyshort, Size: XX-Large, Color: Assorted Colors
Very comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Very comfortable, right length
Size: Large, Color: Black,grey
This product arrived as described. I like the trunk length, not the boxer brief length. They are comfortable. Hold up well when worn and washed. I don't seem to sweat as much. These were ordered to replace ones ordered about 2-3 years ago due loss of weight, had to down size. The waist band doesn't roll as like other brands.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
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