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.
Gallery
Attachments
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 |
