BAUERRTG Rammtechnik Piling
RM 20
Combined piling and drilling rig on BT 55 S carrier.
Key Specifications
20- Base carrier
- BT 55 S
- Engine (standard)
- Cummins QSB 6.7 · 201 kW @ 2 000 rpm (Stage III A)
- Engine (optional)
- Cummins B 6.7 Stage V · 209 kW @ 2 000 rpm
- Total height
- 25.7 m
- Max rig height (with DTH)
- 24.5 m
- Min rig height
- 18.3 m
- Max cylinder stroke
- 7.0 m
- Working radius
- 4.5 – 6.0 m
- Swing radius
- 4.6 m
- Max casing length
- 20.0 m
- Mast inclination (fwd/back/side)
- 18.5° / 45° / 18.5°
- Crowd force push / pull (sledge)
- 200 / 200 kN
- Crowd force pull (supported)
- 400 kN
- Admissible torque
- 150 kN·m
- Auxiliary winch crowd force
- 43 kN
- Clamping jaw diameter
- 38 – 508 mm
- Prismatic guide diameter
- 508 – 1016 mm
- Breaking moment
- 45 kN·m @ 250 bar
- Max pile length (Fambo HR 5000)
- 20.04 m
- Counterweight (stackable)
- 2 × 1.8 t + 4.9 t
Overview
The RM 20 is a dual-purpose piling and drilling rig from BAUER RTG Rammtechnik built on the BT 55 S base carrier. It combines a hydraulic clamping and breaking jaw system for large-diameter casings (508 – 1016 mm) with a versatile mast that supports vibrators, hydraulic and diesel hammers, and DTH tools. Engineered for underfloor works with a 7 m vertically sliding mast and up to 6.0 m outreach.
Illustrative specifications — confirm exact configuration with RENTEK before ordering.
Highlights
- Synchronised twin-winch concept
- Cummins Stage III A / Stage V engine option
- Precise electronic pre-control
- Stackable variable counterweights
- Parallelogram kinematic linkage
- High-comfort BAUER cab (FOPS)
- Hydraulically foldable mast head
- Vertically sliding mast for underfloor work
Applications
- Cased bored piles
- Sheet-pile driving with vibrator
- DTH drilling with MB 100
- Diesel and hydraulic hammer piling
- Casing installation and extraction
- Deep foundations in confined sites
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