EARTH BORING DIVISION - MB D30-230HD
MB D30-600
 
BORING MACHINES

Michael Byrne Manufacturing is now offering the most powerful 30” horizontal-boring machine in in its class. The D30-230HD like all of our machines is designed for the severest duty imaginable.

This machine puts out 230,907 Lbs. of thrust and 43,355 Ft-Lbs. of torque making it the most powerful 30” machine on the market. 

Our machine uses a 65 HP Caterpillar 4 cylinder engine coupled to a 4-speed transmission and the exclusive Michael Byrne Manufacturing planetary gearbox. Our planetary gearbox is specifically designed for boring machines. Handling the severest shock loads, surpassing any of our competitor models. Also included is a thrust package protecting the complete drive train. 

The gear pump supplies 31 Gpm to two hydraulic cylinders with a max pressure of 3,000 psi. 

Our tracks are connected together by heavy duty quick-disconnect track connectors.  Michael Byrne designed heavy box constructed frames, for severe conditions to keep proper alignment for successful bores. This machine is a split base design for easy lifting in and out of pits. 

All machine gauges and warning lights are in operators view of sight for easy operation. Also included is an emergency switch for total machine shut down.

Power Train System
Engine: Cat 65 HP @ 2400 Rpm
Fuel Capacity: 10.5 U.S. Gallons

Transmission: T-18
Ratios
1st Gear 6.32:1
2nd Gear 3.09:1
3rd Gear 1.69:1
4th Gear 1.00:1
Reverse 7.44:1

Planetary Gearbox Ratio 49 : 1
Auger Drive: 3” or 4” Hex
Working Range: 12” to 30” Earth Boring ; Pipe Jacking

Machine Torque and Speed Max
1st Gear 43,355 Ft-Lbs (520,260 In-Lbs), 5.5 RPM
2nd Gear 21,197 Ft-Lbs (254,364 In-Lbs), 11.22 RPM
3rd Gear 11,593 Ft-Lbs (139,116 In-Lbs), 20.52 RPM
4th Gear 6,860 Ft-Lbs ( 82,320 In-Lbs),34.69 RPM
Reverse 51,038 Ft-Lbs (612,456 In-Lbs), 4.67 RPM

Hydraulic System
Pressure 3,000 PSI
Pump Type Gear Pump
Gallon per Minute 31 GPM
Cylinders Two 7” Bore x 36” Stroke

2 Cylinder Max Thrust 230,907 Lbs Return Filter 10 Micron Replaceable Element

Weights (Approx.) Dimensions
Bottom Base Assembly 2,020 Lbs. Centerline of Bore to Bottom of Track 19 1/8”
Top Base Assembly 2,800 Lbs. Machine Height: 48”
Master Ring Assembly 725 Lbs. Machine Width: 44”
Master Track 1,100 Lbs. Base Track Length: 10’ 2”