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21000/21220-1
DANUSER Hammer Post Driver
$7,849.00 - $11,754.00
4/26
Danuser Hammer Post Driver – Maximum Driving Force & Precision Control
Drive posts faster, deeper, and with unmatched power using the Danuser Hammer Post Driver. Built for serious performance, this drop-weight post driver delivers consistent full-impact force with every cycle—no springs, no complex hydraulics, and no return lines.
Designed for contractors, farmers, ranchers, and DOT applications, this heavy-duty post driver handles everything from T-posts and pipe fence to guard rails and railroad ties with ease.
Maximum Driving Power
The Danuser Hammer Post Driver features a 300 lb. drop hammer that delivers a full 40″ stroke, producing fast, efficient driving performance on every cycle.
- 82,000 lbs. of Impact Force (with optional weight kit)
- 35 Strokes Per Minute for high productivity
- Full 40″ Stroke for maximum driving power
- Optional 500 lb. Hammer Weight – Up to 60% more impact force
Whether you're driving small posts or large structural materials, this unit delivers consistent, reliable results in tough ground conditions.
Key Features & Benefits
- Drop-Weight Design – No springs, no return lines, low maintenance
- Full Stroke or Short Stroke Mode – Maximum power or precision depth control
- Heavy-Duty 300 lb. Hammer – Upgradeable to 500 lb. for extreme applications
- Drives a Wide Range of Posts – T-posts, pipe, guard rail, railroad ties, and more
- Tilt Function (Up to 20°) – Set posts accurately on uneven terrain
- Optional Grapple Attachment – True one-person operation from the cab
- Innovative Mounting Options – Compatible with multiple machine types
Built for Productivity on Any Jobsite
The Danuser Hammer Post Driver attachment is engineered for high-output environments where speed, power, and precision matter. With the ability to achieve a full stroke every cycle, operators can drive posts quickly while maintaining consistent depth and alignment.
Switch to short stroke mode when precision matters—perfect for final adjustments and controlled placement.
Ideal Applications
- Fence post installation
- Guard rail and road barrier installation
- Sign posts and median dividers
- Agricultural and ranch fencing
- Pipe fence and structural posts
- Tent stakes and event setups
- Railroad tie driving
Performance Highlights
- Impact Force: Up to 82,000 lbs (with weight kit)
- Hammer Weight: 300 lbs standard / 500 lbs optional
- Stroke Length: 40″
- Strokes Per Minute: 35
- Tilt Capability: Up to 20°
Why Choose the Danuser Hammer Post Driver?
If you need a high-impact hydraulic post driver that delivers maximum force with minimal maintenance, the Danuser Hammer is built to outperform. Its simple drop-weight design, combined with optional upgrades like the grapple and weight kit, makes it one of the most efficient and versatile post drivers available.
| SPECIFICATION | DETAILS |
|---|---|
| Post Dimensions | T-post to Railroad Tie |
| Maximum Post Size | 8.5″ × 9.25″ |
| Impact Force | 82,000 lbs |
| Impact Energy | 1,709 ft-lbs |
| Length of Stroke | 40″ |
| Hammer Weight | 500 lbs |
| Strokes per Minute | 35 |
| Overall Length | 45.5″ |
| Overall Width | 25.5″ |
| Overall Height | 64″ |
| Tilt (Left/Right) | 20° |
| Machine Weight | 1,245 lbs |
| Hydraulic Requirements | 1,500 – 3,000 PSI; 12 – 30 GPM |
| Tractor Requirements | 75 HP Minimum |
Danuser SM40 Hammer Post Driver Models
| PN | DESCRIPTION | WT. (LBS) |
|---|---|---|
| 21000 | Hammer SM40 – Hydraulic continuous chain drive, 300 lb hammer (500 lb max), 40″ stroke, up to 35 strokes/min, drives T-post to railroad ties. Includes post puller & hoses with 1/2″ ISO 16028 couplers | 915 |
| 21000L | Hammer SM40 Loaded – Includes factory-installed additional weight kit | 1,115 |
| 21001 | Hammer SM40 with Grapple – Includes grapple for one-man operation | 955 |
| 21001L | Hammer SM40 with Grapple Loaded – Includes grapple and factory-installed weight kit | 1,155 |
| 21002 | Hammer SM40 with Tilt – Tilts up to 20°, includes diverter switch & cigarette lighter adapter | 1,005 |
| 21002L | Hammer SM40 with Tilt Loaded – Includes tilt and factory-installed weight kit | 1,205 |
| 21003 | Hammer SM40 with Grapple and Tilt – Combines one-man operation with tilt control | 1,045 |
| 21003L | Hammer SM40 with Grapple and Tilt Loaded – Includes grapple, tilt, and factory-installed weight kit |
Danuser LM40 Hammer Post Driver Models
| PN | DESCRIPTION | WT. (LBS) |
|---|---|---|
| 21006 | Hammer LM40 – Hydraulic continuous chain drive, 300 lb hammer (500 lb max), 40″ stroke, up to 35 strokes/min, drives T-post to railroad ties. Includes post puller & hoses with 1/2″ ISO 16028 couplers | 948 |
| 21006L | Hammer LM40 Loaded – Includes factory-installed additional weight kit | 1,148 |
| 21007 | Hammer LM40 with Grapple – Includes grapple for one-man operation | 991 |
| 21007L | Hammer LM40 with Grapple Loaded – Includes grapple and factory-installed weight kit | 1,191 |
| 21008 | Hammer LM40 with Tilt – Tilts up to 20°, includes diverter switch & cigarette lighter adapter | 991 |
| 21008L | Hammer LM40 with Tilt Loaded – Includes tilt and factory-installed weight kit | 1,191 |
| 21009 | Hammer LM40 with Grapple and Tilt – Combines one-man operation with tilt control | 1,041 |
| 21009L | Hammer LM40 with Grapple and Tilt Loaded – Includes grapple, tilt, and factory-installed weight kit |
Danuser EM40 Hammer Post Driver Models
| PN | DESCRIPTION | WT. (LBS) |
|---|---|---|
| 21010 | Hammer EM40 – Hydraulic continuous chain drive, 300 lb hammer (500 lb max), 40″ stroke, up to 35 strokes/min, drives T-post to railroad ties. Includes post puller & hoses with 1/2″ ISO 16028 couplers | 948 |
| 21010L | Hammer EM40 Loaded – Includes factory-installed additional weight kit | 1,148 |
| 21011 | Hammer EM40 with Grapple – Includes grapple for one-man operation | 991 |
| 21011L | Hammer EM40 with Grapple Loaded – Includes grapple and factory-installed weight kit | 1,191 |
| 21012 | Hammer EM40 with Tilt – Tilts up to 20°, includes diverter switch & cigarette lighter adapter | 991 |
| 21012L | Hammer EM40 with Tilt Loaded – Includes tilt and factory-installed weight kit | 1,191 |
| 21013 | Hammer EM40 with Grapple and Tilt – Combines one-man operation with tilt control | 1,041 |
| 21013L | Hammer EM40 with Grapple and Tilt Loaded – Includes grapple, tilt, and factory-installed weight kit | 1,241 |
Hammer Post Driver Accessories
| PN | DESCRIPTION | WT. (LBS) |
|---|---|---|
| 21004 | SM40 Grapple – Enables one-person operation (SM40 Hammers only) | 65 |
| 21014 | EM40 / LM40 Grapple – One-person operation (EM40 & LM40 Hammers only) | 65 |
| 21005 | SM40 Tilt – Tilts left/right up to 20°. Includes diverter switch & cigarette lighter adapter | 200 |
| 21015 | LM40 Tilt – Tilts left/right up to 20°. Includes diverter switch & cigarette lighter adapter | 200 |
| 21016 | EM40 Tilt – Tilts left/right up to 20°. Includes diverter switch & cigarette lighter adapter | 195 |
| 21149 | T-Post Adapter – Required for driving T-posts | 22 |
| 21278 | Concrete Breaker Kit – Converts hammer to breaker; handles up to 9″ reinforced concrete | 534 |
| 21212 | Strike Plate – Horseshoe – Centers smaller pipe, reduces wear, works with grapple | 20 |
| 21280 | Strike Plate – Guard Rail – Prevents twisting of 6″–8″ I-beams (not compatible with grapple) | 20 |
| 21395 | Strike Plate – 5″ Donut – Superior pipe centering in tough conditions; best for fencing pros | 25 |
| 180005 | Strike Plate – 4″ Square – For 4″ square wood posts | 20 |
| 180007 | Strike Plate – 6″ Square – For 6″ square wood posts | 20 |
| 21163 | Additional Weight Kit – Adds up to 60% more driving force | 200 |
Wiring Harness Options
| PN | DESCRIPTION | WT. (LBS) |
|---|---|---|
| 21220-1 | Wiring Harness 8-Pin – Used on ASV, Caterpillar, Komatsu, Terex | 2 |
| 21220-2 | Wiring Harness 14-Pin – Used on Bobcat (prior to 1999), Case, JCB, Kubota, New Holland, Takeuchi, Volvo, Kioti | 2 |
| 21220-3 | Wiring Harness 14-Pin Deere – Used on John Deere | 2 |
| 21220-4 | Wiring Harness 14-Pin Caterpillar – Used on Caterpillar | 2 |
| 21220-5 | Wiring Harness 14-Pin – Used on Bobcat (1999+), Gehl | 2 |
| 21220-U1* | Universal Wiring Harness 8-Pin – Contacts crimped on wire but not installed in connector | 2 |
| 21220-U2* | Universal Wiring Harness 14-Pin – Contacts crimped on wire but not installed in connector | 2 |
| 21253 | Wiring Harness – Battery Connection (Supplies power for tilt function; replaces auxiliary power port plug on SM40, LM40, EM40 harness) |
2 |
For skid-steers equipped with attachment electrical connection only. Allows Hammer tilt function operation from vehicle
joystick controls. 12” length. Replaces 12-volt auxiliary power port plug on SM40.
Danuser Machine Company, LLC takes care to
ensure the accuracy of the information contained
in this price sheet. We assume no liability for
errors contained herein. It is the responsibility
of the installer to ensure that all of the products
are correct before installation. Proper assembly
always requires that the installer use all
instructions and safety procedures. We assume
no liability for any errors made in product
selection or installation.
* Requires connector contacts be installed in a
switchable +12 V pin location and ground pin
location. Mapping of skid-steer connector pins
required.