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Ditch Witch AT40

DW Directional Drills


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(301) 874-5500

AT40 ALL TERRAIN DIRECTIONAL DRILL

ROCK HAS MET ITS MATCH

Optimized for industry-leading performance and productivity when drilling in hard rock conditions, the AT40 has next-generation features so you can get increased jobsite cycle times, improved durability, and greater control.

ALL TERRAIN

All Terrain technology enables enhanced rock drilling at a low fluid level, decreasing overall jobsite waste, minimizing cleanup and reducing environmental impact. The inner pipe works as a mechanical motor, driving the bit during the bore, and the outer pipe thrusts the bit forward while steering the drill shaft. During backreaming, the outer pipe transmits full machine torque downhole.

POWER

Equipped with a 160-gross-hp, Tier 4 Cummins® diesel engine, with 40,000 pounds of thrust and pullback, the AT40 All Terrain provides 30 percent more thrust in a more compact unit than competitive models. Hydraulic platform utilizes the Ditch Witch-proven technology to provide the most efficient power downhole.

PRODUCTIVITY

Equipped with a 70-gpm, 1,000-psi (or optional 110-gpm, 800-psi) mud pump, the AT40 All Terrain has increased fluid course from the mud pump to the swivel, for more downhole flow capabilities. The machine includes a reversible pipe box for added jobsite versatility.

OPERATOR’S STATION

The AT40 All Terrain is equipped with the choice of a fully enclosed cab, with all tinted, glass side paneling, or an open operator’s station. Industry-leading telescoping cab places the operator at a precise angle, providing an enhanced view of drilling operations, including ground entrance, wrenches, shuttle-retract location, and rear connection.

ENHANCED SERVICEABILITY

With no grease zerks and easy access to all service points in one spot, maintenance is simplified and total cost of ownership reduced. The AT40 All Terrain minimizes pipe-entry distance for increased support for the drill pipe as it enters the ground—this reduces wear on guide blocks and decreases the overall footprint on a job.

ENHANCED CONTROL

The AT40 All Terrain is equipped with a standard or heavy-duty modular stake sown system that can now be feathered for more precise control. An advanced remote control gives operators the ability to set up the rig outside of the cab allowing more precise positioning of the unit on the job. The controller included multi-mode ground drive; dual, independent stabilizers, stake down, cab traverse, and dual pivot.

SUPERIOR CUSTOMER SUPPORT

As with all Ditch Witch equipment, the AT40 All Terrain is backed by a worldwide network of dealerships you can count on for unmatched commitment to your success. From genuine Ditch Witch parts to factory-trained service and expert advice, your Ditch Witch dealership is your trusted partner.

Similar models may be shown in addition to the featured model. Equipment may be shown with options. Specifications are general and subject to change without notice. If exact measurements are required, equipment should be weighed and measured. Due to selected options, delivered equipment may not necessarily match that shown.


AT40 ALL TERRAIN DIRECTIONAL DRILL

ROCK HAS MET ITS MATCH

Optimized for industry-leading performance and productivity when drilling in hard rock conditions, the AT40 has next-generation features so you can get increased jobsite cycle times, improved durability, and greater control.

ALL TERRAIN

All Terrain technology enables enhanced rock drilling at a low fluid level, decreasing overall jobsite waste, minimizing cleanup and reducing environmental impact. The inner pipe works as a mechanical motor, driving the bit during the bore, and the outer pipe thrusts the bit forward while steering the drill shaft. During backreaming, the outer pipe transmits full machine torque downhole.

POWER

Equipped with a 160-gross-hp, Tier 4 Cummins® diesel engine, with 40,000 pounds of thrust and pullback, the AT40 All Terrain provides 30 percent more thrust in a more compact unit than competitive models. Hydraulic platform utilizes the Ditch Witch-proven technology to provide the most efficient power downhole.

PRODUCTIVITY

Equipped with a 70-gpm, 1,000-psi (or optional 110-gpm, 800-psi) mud pump, the AT40 All Terrain has increased fluid course from the mud pump to the swivel, for more downhole flow capabilities. The machine includes a reversible pipe box for added jobsite versatility.

OPERATOR’S STATION

The AT40 All Terrain is equipped with the choice of a fully enclosed cab, with all tinted, glass side paneling, or an open operator’s station. Industry-leading telescoping cab places the operator at a precise angle, providing an enhanced view of drilling operations, including ground entrance, wrenches, shuttle-retract location, and rear connection.

ENHANCED SERVICEABILITY

With no grease zerks and easy access to all service points in one spot, maintenance is simplified and total cost of ownership reduced. The AT40 All Terrain minimizes pipe-entry distance for increased support for the drill pipe as it enters the ground—this reduces wear on guide blocks and decreases the overall footprint on a job.

ENHANCED CONTROL

The AT40 All Terrain is equipped with a standard or heavy-duty modular stake sown system that can now be feathered for more precise control. An advanced remote control gives operators the ability to set up the rig outside of the cab allowing more precise positioning of the unit on the job. The controller included multi-mode ground drive; dual, independent stabilizers, stake down, cab traverse, and dual pivot.

SUPERIOR CUSTOMER SUPPORT

As with all Ditch Witch equipment, the AT40 All Terrain is backed by a worldwide network of dealerships you can count on for unmatched commitment to your success. From genuine Ditch Witch parts to factory-trained service and expert advice, your Ditch Witch dealership is your trusted partner.

Similar models may be shown in addition to the featured model. Equipment may be shown with options. Specifications are general and subject to change without notice. If exact measurements are required, equipment should be weighed and measured. Due to selected options, delivered equipment may not necessarily match that shown.


Specifications

ALL TERRAIN PIPE - Bend radius, min:
170 ft | 52 m
ALL TERRAIN PIPE - Diameter of drill pipe :
3.07 in | 78 mm
ALL TERRAIN PIPE - Diameter of drill pipe, tool joint end:
3.75 in | 95 mm
ALL TERRAIN PIPE - Length of drill pipe, nominal :
180 in | 4.57 m
ALL TERRAIN PIPE - Weight of drill pipe:
231 lb | 105 kg
ALL TERRAIN PIPE - Weight of drill pipe & large box (24 pipe):
6,350 lb | 2,880 kg
ALL TERRAIN PIPE - Weight of drill pipe & small box (12 pipe):
3,450 lb | 1,560 kg
BATTERY (2 USED) - SAE cold crank rating @ 0°F (-18°C) :
950 amps
BATTERY (2 USED) - SAE reserve capacity rating :
195 min
DIMENSIONS - Angle of approach :
17°
DIMENSIONS - Angle of departure:
17°
DIMENSIONS - Entry angle:
20-29°
DIMENSIONS - Height, w/cab, mobiling:
114 in | 2.90 m
DIMENSIONS - Length, mobiling:
295 in | 7.50 m
DIMENSIONS - Length, trailering:
290 in | 7.37 m
DIMENSIONS - Operating mass, no pipe:
21,600 lb | 9800 kg
DIMENSIONS - Width, w/cab, extended max:
108 in | 2.74 m
DIMENSIONS - Width, w/open station:
89 in | 2.26 m
DRILLING FLUID SYSTEM (120 GPM OPTION) - Flow, max:
120 gpm | 454 l/min
DRILLING FLUID SYSTEM (120 GPM OPTION) - Pressure, max:
1,000 psi | 69 bar
DRILLING FLUID SYSTEM (70 GPM OPTION) - Flow, max:
70 gpm | 265 l/min
DRILLING FLUID SYSTEM (70 GPM OPTION) - Pressure, max:
1,000 psi | 69 bar
FLUID CAPACITIES - Fuel tank :
56 gal | 212 L
FLUID CAPACITIES - Hydraulic reservoir :
17 gal | 64 L
OPERATION - Backreamer diameter:
Soil dependent
OPERATION - Bore diameter:
OPERATION - Bore diameter (All Terrain w/Rockmaster™ 822):
OPERATION - Bore diameter (All Terrain w/Rockmaster™ 86):
OPERATION - Carriage pullback travel speed:
180 fpm | 55 m/min
OPERATION - Carriage thrust travel speed:
180 fpm | 55 m/min
OPERATION - Daily average fuel usage (per hour):
OPERATION - Ground travel speed forward/reverse:
3 mph | 4.8 km/h
OPERATION - Pullback force:
40,000 lb | 178 kN
OPERATION - Spindle speed (AT inner spindle), max:
280 rpm
OPERATION - Spindle speed, max:
225 rpm
OPERATION - Spindle torque (AT inner spindle), max:
2,000 ft·lb | 2710 N·m
OPERATION - Spindle torque, max:
5,500 ft·lb | 7460 N·m
OPERATION - Thrust force:
40,000 lb | 178 kN
POWER - Aspiration :
Turbocharged and charge air cooled
POWER - Bore:
4.21 in | 107 mm
POWER - Cooling medium:
Liquid
POWER - Displacement :
275 in³ | 4.5 L
POWER - Emissions compliance :
EPA Tier 4 | EU Stage IV
POWER - Engine :
Cummins® QSB4.5
POWER - Fuel:
Diesel
POWER - Injection:
Direct
POWER - Manufacturer's gross power rating :
160 hp | 119 kW
POWER - Number of cylinders:
4
POWER - Rated speed:
2,200 rpm
POWER - Stroke :
4.88 in | 124 mm
POWER PIPE FORGED HD - Bend radius, min:
143 ft | 43.6 m
POWER PIPE FORGED HD - Diameter of drill pipe:
2.75 in | 70 mm
POWER PIPE FORGED HD - Diameter of tool joint:
3.13 in | 80 mm
POWER PIPE FORGED HD - Length:
180 in | 4.57 m
POWER PIPE FORGED HD - Weight of drill pipe:
145 lb | 66 kg
POWER PIPE FORGED HD - Weight of drill pipe and large box (40 pipe):
6,940 lb | 3148 kg
POWER PIPE FORGED HD - Weight of drill pipe and small box (20 pipe) :
3,697 lb | 1677 kg
POWER PIPE FORGED HDX - Bend radius, min:
143 ft | 43.6 m
POWER PIPE FORGED HDX - Diameter of drill pipe:
2.75 in | 70 mm
POWER PIPE FORGED HDX - Diameter of tool joint:
3.13 in | 80 mm
POWER PIPE FORGED HDX - Length:
180 in | 4.57 m
POWER PIPE FORGED HDX - Weight of drill pipe:
145 lb | 66 kg
POWER PIPE FORGED HDX - Weight of drill pipe and large box (40 pipe):
6,940 lb | 3148 kg
POWER PIPE FORGED HDX - Weight of drill pipe and small box (20 pipe):
3,697 lb | 1677 kg
POWER PIPE® HD - Bend radius, min:
146 ft | 45 m
POWER PIPE® HD - Diameter of drill pipe:
2.81 in | 71 mm
POWER PIPE® HD - Diameter of drill pipe, tool joint end:
3.13 in | 80 mm
POWER PIPE® HD - Length of dril pipe, nominal:
180 in | 4.57 m
POWER PIPE® HD - Weight of drill pipe and large box (40 pipe):
7,140 lb | 3,240 kg
POWER PIPE® HD - Weight of drill pipe and small box (20 pipe):
3,797 lb | 1,720 kg
POWER PIPE® HD - Weight of drill pipe, lined:
150 lb | 68 kg
WEIGHT CONFIGURATION - 120 GPM fluid pump option:
370 lb | 168 kg
WEIGHT CONFIGURATION - Cab option:
690 lb | 310 kg
  • Specifications

    Specifications

    ALL TERRAIN PIPE - Bend radius, min:
    		170 ft | 52 m
    ALL TERRAIN PIPE - Diameter of drill pipe :
    		3.07 in | 78 mm
    ALL TERRAIN PIPE - Diameter of drill pipe, tool joint end:
    		3.75 in | 95 mm
    ALL TERRAIN PIPE - Length of drill pipe, nominal :
    		180 in | 4.57 m
    ALL TERRAIN PIPE - Weight of drill pipe:
    		231 lb | 105 kg
    ALL TERRAIN PIPE - Weight of drill pipe & large box (24 pipe):
    		6,350 lb | 2,880 kg
    ALL TERRAIN PIPE - Weight of drill pipe & small box (12 pipe):
    		3,450 lb | 1,560 kg
    BATTERY (2 USED) - SAE cold crank rating @ 0°F (-18°C) :
    		950 amps
    BATTERY (2 USED) - SAE reserve capacity rating :
    		195 min
    DIMENSIONS - Angle of approach :
    		17°
    DIMENSIONS - Angle of departure:
    		17°
    DIMENSIONS - Entry angle:
    		20-29°
    DIMENSIONS - Height, w/cab, mobiling:
    		114 in | 2.90 m
    DIMENSIONS - Length, mobiling:
    		295 in | 7.50 m
    DIMENSIONS - Length, trailering:
    		290 in | 7.37 m
    DIMENSIONS - Operating mass, no pipe:
    		21,600 lb | 9800 kg
    DIMENSIONS - Width, w/cab, extended max:
    		108 in | 2.74 m
    DIMENSIONS - Width, w/open station:
    		89 in | 2.26 m
    DRILLING FLUID SYSTEM (120 GPM OPTION) - Flow, max:
    		120 gpm | 454 l/min
    DRILLING FLUID SYSTEM (120 GPM OPTION) - Pressure, max:
    		1,000 psi | 69 bar
    DRILLING FLUID SYSTEM (70 GPM OPTION) - Flow, max:
    		70 gpm | 265 l/min
    DRILLING FLUID SYSTEM (70 GPM OPTION) - Pressure, max:
    		1,000 psi | 69 bar
    FLUID CAPACITIES - Fuel tank :
    		56 gal | 212 L
    FLUID CAPACITIES - Hydraulic reservoir :
    		17 gal | 64 L
    OPERATION - Backreamer diameter:
    		Soil dependent
    OPERATION - Bore diameter:
    OPERATION - Bore diameter (All Terrain w/Rockmaster™ 822):
    OPERATION - Bore diameter (All Terrain w/Rockmaster™ 86):
    OPERATION - Carriage pullback travel speed:
    		180 fpm | 55 m/min
    OPERATION - Carriage thrust travel speed:
    		180 fpm | 55 m/min
    OPERATION - Daily average fuel usage (per hour):
    OPERATION - Ground travel speed forward/reverse:
    		3 mph | 4.8 km/h
    OPERATION - Pullback force:
    		40,000 lb | 178 kN
    OPERATION - Spindle speed (AT inner spindle), max:
    		280 rpm
    OPERATION - Spindle speed, max:
    		225 rpm
    OPERATION - Spindle torque (AT inner spindle), max:
    		2,000 ft·lb | 2710 N·m
    OPERATION - Spindle torque, max:
    		5,500 ft·lb | 7460 N·m
    OPERATION - Thrust force:
    		40,000 lb | 178 kN
    POWER - Aspiration :
    		Turbocharged and charge air cooled
    POWER - Bore:
    		4.21 in | 107 mm
    POWER - Cooling medium:
    		Liquid
    POWER - Displacement :
    		275 in³ | 4.5 L
    POWER - Emissions compliance :
    		EPA Tier 4 | EU Stage IV
    POWER - Engine :
    		Cummins® QSB4.5
    POWER - Fuel:
    		Diesel
    POWER - Injection:
    		Direct
    POWER - Manufacturer's gross power rating :
    		160 hp | 119 kW
    POWER - Number of cylinders:
    		4
    POWER - Rated speed:
    		2,200 rpm
    POWER - Stroke :
    		4.88 in | 124 mm
    POWER PIPE FORGED HD - Bend radius, min:
    		143 ft | 43.6 m
    POWER PIPE FORGED HD - Diameter of drill pipe:
    		2.75 in | 70 mm
    POWER PIPE FORGED HD - Diameter of tool joint:
    		3.13 in | 80 mm
    POWER PIPE FORGED HD - Length:
    		180 in | 4.57 m
    POWER PIPE FORGED HD - Weight of drill pipe:
    		145 lb | 66 kg
    POWER PIPE FORGED HD - Weight of drill pipe and large box (40 pipe):
    		6,940 lb | 3148 kg
    POWER PIPE FORGED HD - Weight of drill pipe and small box (20 pipe) :
    		3,697 lb | 1677 kg
    POWER PIPE FORGED HDX - Bend radius, min:
    		143 ft | 43.6 m
    POWER PIPE FORGED HDX - Diameter of drill pipe:
    		2.75 in | 70 mm
    POWER PIPE FORGED HDX - Diameter of tool joint:
    		3.13 in | 80 mm
    POWER PIPE FORGED HDX - Length:
    		180 in | 4.57 m
    POWER PIPE FORGED HDX - Weight of drill pipe:
    		145 lb | 66 kg
    POWER PIPE FORGED HDX - Weight of drill pipe and large box (40 pipe):
    		6,940 lb | 3148 kg
    POWER PIPE FORGED HDX - Weight of drill pipe and small box (20 pipe):
    		3,697 lb | 1677 kg
    POWER PIPE® HD - Bend radius, min:
    		146 ft | 45 m
    POWER PIPE® HD - Diameter of drill pipe:
    		2.81 in | 71 mm
    POWER PIPE® HD - Diameter of drill pipe, tool joint end:
    		3.13 in | 80 mm
    POWER PIPE® HD - Length of dril pipe, nominal:
    		180 in | 4.57 m
    POWER PIPE® HD - Weight of drill pipe and large box (40 pipe):
    		7,140 lb | 3,240 kg
    POWER PIPE® HD - Weight of drill pipe and small box (20 pipe):
    		3,797 lb | 1,720 kg
    POWER PIPE® HD - Weight of drill pipe, lined:
    		150 lb | 68 kg
    WEIGHT CONFIGURATION - 120 GPM fluid pump option:
    		370 lb | 168 kg
    WEIGHT CONFIGURATION - Cab option:
    		690 lb | 310 kg

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