DITCH WITCH- RT55 HEAVY DUTY TRENCHER

Posted By admin On January 16, 2008 @ 12:00 am In Boomerang | No Comments

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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