RT125

RT125 Heavy Duty Trencher
Versatility plus comfort equals productivity. As the most versatile member of the best-selling trencher family in the world, the Ditch Witch RT125 utility tractor can help you be more do more on every jobsite. A powerful and efficient 121-hp Tier 4 Deutz® diesel engine keeps the RT125 running strong all day long, while a wide range of attachments—trencher, plow, earth saw, backhoe, reel carrier, and trencher/plow combo—lets you tackle just about any job. It’s the go-to machine you’ll depend on.
Key Features
  • 121-hp Deutz diesel engine keeps the RT125 running strong all day long.
  • Massive one-piece rigid frame design increases capacity and endurance; optional tilt frame configuration helps you dig a vertical trench on uneven ground.
  • 5-inch color LCD engine display provides all engine information and diagnostics while rotating with the operator so it’s always there for you to easily view.
  • Large selection of hydrostatic attachments increases jobsite productivity.
  • Dial control design gives the operator precise control of the ground drive speed and attachments, improving production.
  • Removable side panels provide easy access to service areas; engine service points are conveniently located on the left side, and the oil level can be checked without opening the engine enclosure.
  • Standard four-wheel drive helps provide superb traction and mobility in all kinds of jobsite conditions and applications.
  • Cruise-control system senses engine load and automatically adjusts ground drive speed for consistent production.
  • Operator’s station features a color LCD engine display that provides all engine information and diagnostics.
  • Four-post Rollover Protective System (ROPS) includes a canopy; options include enclosed cab and climate-control system.
  • Ergonomically designed operator’s station features 90-degree swivel seat, adjustable armrests, easy-to-read gauge cluster, and tiltable steering column.
Specifications
RT125
Dimensions
Height
115 in
Nose to rear mount length
125 in
Length, transport
154 in
Wheelbase
79 in
Width
82 in
Angle of approach
25°
Tread
64 in
Operation
Forward speeds
- Low/Low
n/a
- Low/High
1.3 mph
- High/Low
n/a
- High/High
8.0 mph
Reverse speeds
- Low/Low
n/a
- Low/High
1.3 mph
- High/Low
n/a
- High/High
5.5 mph
Front counterweight
1300 lb
Side counterweight (each)
250 lbs.
Vehicle clearance circle (SAE), wall-to-wall, w/optional backfill blade
- Front steer only
35 ft
- Front and rear steer
21 ft
Basic unit weight
9,700 lb
Allowable tractor weight, max
22,000 lb
Ground clearance
14 in
Backfill Blade
Blade width
80 in
Blade height
17 in
Lift height, above ground
21 in
Blade drop, below ground
10 in
Maximum, swing angle, left/right
30°
Tilt angle, up/down
12°
Power
Engine
DeutzR TCD3.6L4
Fuel
Diesel
Cooling medium
Liquid
Injection
Direct
Aspiration
Turbocharged, charge air cooled
Number of cylinders
4
Displacement
221 in3
Bore
3.86 in
Stroke
4.72 in
Engine manufacturer's gross power rating (per SAE J1349)
121 hp
Rated speed
2030 rpm
Engine tilt angles, max
- Longitudinal/lateral
30°
Emissions Compliance
EPA Tier 4 Final
Power Train
Ground drive transmission
Hydrostatic
Attachment drive transmission
Hydrostatic, lever-operated, speed infinitely variable from zero to maximum
Differentials
Planetary front and rear w/optional rear steering
Service brake
Hydrostatic disc, foot-operated
Parking brake
Disc, hand-operated
Tires
(30 x 18.00-20, 14-ply bar lug flotation, inflate to 72 psi
Tires/Pressure
Hydraulic System
@ 2300 rpm
Ground drive pump relief pressure
5300 psi
Auxiliary pump capacity
5.1 gpm
Auxiliary pump relief pressure
3,000 psi
Fluid Capacities
Fuel tank
38 gal
Engine oil
8.5 qt
Hydraulic reservoir
25 gal
Hydraulic system
30 gal
Cooling system
4.25 gal.
Battery
Noise Level
Differentials
General
Vibration Level
Conveyor Drive
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