DESCRIPTION 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. SPECS 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 OPTIONS 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 vehiclejoystick controls. 12” length. Replaces 12-volt auxiliary power port plug on SM40. Danuser Machine Company, LLC takes care toensure the accuracy of the information containedin this price sheet. We assume no liability forerrors contained herein. It is the responsibilityof the installer to ensure that all of the productsare correct before installation. Proper assemblyalways requires that the installer use allinstructions and safety procedures. We assumeno liability for any errors made in productselection or installation.* Requires connector contacts be installed in aswitchable +12 V pin location and ground pinlocation. Mapping of skid-steer connector pinsrequired.