The Diedrich D120 on Morooka MST-1500 is a track-mounted drill rig designed for demanding geotechnical, environmental, exploration, and deep drilling applications. Mounted on a Morooka MST-1500 crawler carrier, this D120 configuration combines heavy-duty carrier mobility with a powerful drill platform, onboard water support, multiple winches, rod handling equipment, and SPT sampling capability. With a Deutz diesel drill engine, Morooka closed cab carrier, and recent Rig Source repair work, this unit is built for contractors who need a rugged drilling solution for challenging field conditions.
Key Features
⢠Track-mounted Diedrich D120 drill rig designed for rugged field conditions
⢠Morooka MST-1500 crawler carrier supports jobsite mobility and off-road access
⢠Configured for geotechnical, environmental, exploration, and deep drilling applications
⢠Onboard water system supports drilling operations in the field
⢠Multiple winches support tooling, wireline, and drilling support needs
⢠Equipped for SPT sampling, rod handling, casing support, and water delivery applications
⢠Closed cab carrier provides operator protection in field conditions
Unit Specifications
⢠Drill Engine: Deutz diesel motor
⢠Carrier Engine: Mitsubishi motor
⢠Transmission: Rebuilt T-18 transmission
⢠Rotary Box: Rotary box with NWJ pin
⢠Quill: D120 quill
⢠Water Tank: 438-gallon water tank on deck with basket
⢠Water Pump: 3L8 water pump
⢠Leveling Jacks: 3 leveling jacks
⢠U-Joint: U-joint with 2 in hex
Drill Mast & Positioning
⢠Cathead
⢠MFD 6-95
⢠Slide base configuration
⢠Wiggle tail mounting bundle with poly pads and hardware
⢠Tilt pulleys
⢠Tower pulley bushings
⢠Feed split bushings
⢠Feed gland seal kits
⢠Tower cylinder gland seal kits
⢠D-120 plastic slide base shims
⢠D-120 kelly bar
Winch Package
⢠10,000 lb main winch
⢠5,000 lb tool winch
⢠3,000 lb tool winch
⢠1,200 lb tool winch
⢠Wireline winch
Rod Handling & Breakout
⢠Side-mount 140 lb SPT hammer
⢠Diedrich-style breakout wrench and table
⢠Rod clamp complete
⢠Breakout cylinder and wrench
⢠Rotary box with NWJ pin
⢠U-joint with 2 in hex
⢠Quill collars
⢠Quill seals
⢠D-120 spindle seals
Standard Features
⢠36 in on-deck toolbox with basket
⢠Two 24 in underdeck toolboxes
⢠Front auger rack
⢠10 ft rod storage on helper side
⢠5 ft rod storage under water tank
⢠Push button Murphy switch
⢠Hydro sight gauges
⢠Hydro cap
⢠Fuel sight gauges
Recent Rig Source Work
⢠Side-mount 140 lb auto hammer bundle
⢠Rod clamp complete
⢠Rebuilt 3,000 lb Bloom tool winch
⢠Rebuilt 5,000 lb Bloom tool winch
⢠Braden main tool winch
⢠Rebuilt T-18 transmission
⢠T-18 clutch and bearings
⢠Water manifold installation
⢠New style clutch lever with switch and bracket
⢠V-20 levers and links
⢠V-42 levers and links
⢠D-120 right angle box input seal
⢠D-120 right angle output seals
Specifications are provided for general reference and may vary by unit configuration.
Interested in this Diedrich D120 on Morooka MST-1500? Contact Rig Source at (630) 365-1649 to confirm current availability, pricing, configuration details, and transport requirements.



