DITCH WITCH- RT55 HEAVY DUTY TRENCHER

The 60-hp (44.7 kW) RT55 is designed for the toughest, tightest landscapes. Compact, powerful, and equipped with a low-noise Deutz engine, the RT55 works efficiently and inconspicuously even in the most sensitive urban settings. And with its multiple attachments, the RT55 is as versatile as you want it to be.

 KEY FEATURES, RT55

  • Integrated front cast weight reduces the need for extended weight racks, no matter which attachment is used.
  • Quiet, emissions-compliant Deutz engine is built for maximum power and minimal maintenance.


DETAILS, RT55

  • Operator”s station features easy-to-read gauge cluster, 90° swivel seat, high-visibility sloped hood design, and optional cruise control system.
  • Two-piece hood design allows easy access to engine compartment for service and daily maintenance.
  • Heavy-duty frame, ground drive components, and backfill blade assembly ensure maximum durability and reliability.
  • Planetary axles provide greater torque at the wheel and higher ground clearance.
  • Attachments include a traversing trencher, vibratory plow, combination trencher/plow, traversing saw, backhoe, and reel carrier.
  • SPECIFICATIONS, RT55

    With 31 X 15.50-15 tire
    DIMENSIONS* U.S. METRIC
    Trench depth, maximum 62 in 1.58 m
    Angle of approach 20°
    Trench width, min. to max. 6 in – 12 in 150 mm – 300 mm
    Boom angle, down 55°
    Boom angle, up 51°
    Centerline of trench to outside edge
        Left, min. 23.5 in 597 mm
        Right, min. 9 in 229 mm
    Headshaft height, digging chain 29 in 737 mm
    Height 95.2 in 2.42 m
    Headshaft overhang 42 in 1.07 m
    Length, nose to rear mount 114 in 2.90 m
    Length, transport 128 in 3.25 m
    Wheelbase 60 in 1.52 m
    Spoil discharge reach, min. to max. 17 in – 30 in 430 mm – 760 mm
    Width 71 in 1.80 m
    Tread 55 in 1.40 m
    Ground clearance 10 in 254 mm
    Rear axle, center to rear attachment mounting holes 14.7 in 373 mm
    OPERATION** U.S. METRIC
    Maximum forward speed
        Low/1st 1.7 mph 2.7 km/h
        High/2nd 5.5 mph 8.9 km/h
    Maximum reverse speed
        Low 1.1 mph 1.8 km/h
        High 3.4 mph 5.5 km/h
    Maximum trenching speed, @ full load (varies with soil condition) 150 fpm 45.72 m/min
    Vehicle clearance circle (SAE)
        Front steer only 33.5 ft 10.21 m
        Coordinated steer 21.5 ft 6.55 m
    Basic unit weight 5610 lb 2545 kg
    Front counterweight 1915 lb 869 kg
    Maximum digging chain speed 764 fpm 232.87 m/min
    BACKFILL BLADE* U.S. METRIC
    Blade width 72 in 1.83 m
    Blade height 14 in 356 mm
    Lift height, above ground 17 in 430 mm
    Blade drop, below ground 13 in 330 mm
    Maximum swing angle (left/right) 30°
    Tilt angle (up/down) 16°
    POWER U.S. METRIC
    Engine Deutz F4M2011
    Fuel Diesel
    Cooling medium Oil/external
    Injection Direct
    Aspiration Natural
    Number of cylinders 4
    POWER U.S. METRIC
    Displacement 189 in3 3.1 L
    POWER U.S. METRIC
    Bore 3.7 in 94 mm
    POWER U.S. METRIC
    Stroke 4.4 in 112 mm
    Manufacturer”s gross power rating (SAE J1995) 60 hp 45 kW
    Estimated net power rating (SAE J1349) 57 hp 42 kW
    Rated speed 2600 rpm
    POWER TRAIN
    Ground drive transmission: Hydrostatic drive, infinitely variable from zero to maximum, foot-pedal and hand-lever operated speed/direction control
    Differentials: Planetary front and rear with optional rear stearing
    Parking brake: Spring-applied, pressure-released
    Service brake: Ground drive speed/direction control brakes machine hydraulically when moved to neutral position
    Attachment drive transmission: Hydrostatic, lever-operated, speed infinitely variable from zero to maximum
    Trencher drive transmission: Hydrostatic
    TIRES/PRESSURE U.S. METRIC
    31 x 15.50-15, 8-ply, bar lug 40 psi 276 kPa
    35 x 19.00-16, 12-ply, bar lug 55 psi 379 kPa
    HYDRAULIC SYSTEM @ 2600 RPM U.S. METRIC
    Ground drive pump capacity 32 gpm 121 L/min
    Ground drive pump relief pressure 5000 psi 345 bar
    Attachment drive, trencher 5450 psi 376 bar
    Attachment drive, plow/saw 5450 psi 376 bar
    Attachment pump capacity 32 gpm 121 L/min
    Auxiliary pump capacity 8/6 gpm 30/23 L/min
    Auxiliary pump relief pressure 3000 psi 207 bar
    FLUID CAPACITIES U.S. METRIC
    Fuel tank 19.5 gal 74 L
    Engine oil 16 qt 15 L
    Hydraulic system 20 gal 76 L
    Hydraulic reservoir 12 gal 45 L
    Transmission Hydrostat
    BATTERY U.S. METRIC
    Group 78 u
    SAE reserve capacity rating 110 min
    SAE cold crank rating @ 0° F ( (-18) 800 A
    Auxiliary power outlet 12V, 10A
    *Dimensions based on H313 attachment and shortest roller boom length, 26 X 12.00-12 standard tire and wheel, and 12-in (305 mm) pivot. **Based on shortest boom with 6-in (152 mm) wide, 4-pitch chain and 175-lb (70 kg) operator.

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