R77 MAGNUM PACKAGE: 400ft rated
Please keep in mind, we only use Real Tool joint drill pipe on our drilling rigs. Also, our mast is I-beam
Construction with 12 ft Hydraulic stroke, and 10 ft drill pipe length. The 5 ft drill pipe others offer is
for smaller toy type rigs. Also, our Swivels are Weight bearing, meaning they hold the total load of the
drill pipe weight. Other manufacturers use Toy or home built swivels. The Hydraulics on the R77
Magnum keep cool even when drilling in summer heat, all components are computer flow matched, so
no additional heat is created during operation.
The R77 Magnum has a fully machined 10,000 lb weight rated swivel, massive 2" water course flow
water inlet, (direct hydraulic drive) with up to 750 psi air or water with chevron seals, plus 4 bearings to
support entire drill pipe weight even in rough rocky conditions. This rigs swivel weighs 250lbs with
swivel mount and hydraulic drive motor, it is massive. The larger 2-3/8" tool joint Mayhew jr drill pipe
(Oil field Size) has the best flow in it's class, plus enough stem weight so drill bits cut correctly. This is
a much higher flow drill pipe and drills much faster than the toy rigs with 3/4" inch pipe.
Included in the Package:
200 ft of 2-3/8" Mayhew jr drill pipe
4" Step carbide drag bit
4" Scratcher carbide tooth bit
6" Carbide step bit
3-7/8" Tricone Bit (Tooth)
With this bit package you can drill sand, clay, hard shale, limestone and medium rock. Drill package
above makes this drill equipment ready to work.
This Package is ready to drill. Breakout slips included.
Rig is mounted to USA made Tandem Axle trailer with brakes and full size 15" wheels. Axles are
3500lb rated each axle.
This is the machine you want if you're drilling for money, looking for low operating over head and gets
in and out of the hole fast. This is a complete ready to drill package. If you need to drill deeper than
200ft, you will need to purchase additional drill pipe. No additional equipment is required. No surprises.
Extra Options available:
Mayhew jr drill pipe 10 ft sections.
Drill Collars (weighted for faster rock bit penetration, keeps drill string straight and conditions hole
better.)
2" Receiver Hitch to the back of rig trailer.
Additional Bits:
We offer any size or kind of drill bits you need. Please email us for quote if you need bits other than
those listed above in package.
Please Note: These prices are in effect as of the date of this email, and are subject to change without
notice, so Please contact us for current prices before placing order.
Please email or call us if you want to customize your R77 Magnum package.
A 30% deposit will get you started, and balance is due before drilling rig ships or at picked up. When
deposit/down payment is received, order is placed on manufacturing list - Please Note: We build rigs to
order from manufacturing list. Over-seas shipping please email us for a quote. Thanks, and fell free to
email me if you have any other questions.
Please Note: Out of state sales require no sales tax, Texas sales require sales tax, if tax exempt or for
farm use, proper forms and numbers must be provided for tax exemption.
R77 Magnum Specs
10,000 lb weight rated swivel - You can only drill as deep as the swivel weight rating will hold drill
pipe weight, thats why most companies don't show their swivel weight ratings, because
they do not match their drilling depths they advertise.
Side inlet intake on swivel is a massive 2 inch flow. What good is a large mud pump when it is
reduced down to 3/4 or 1 inch water course swivel opening.
Rig Mast
The R77 magnum mast is USA made Heavy wall beam, not light gauge tubing like used on
china car-ports. There are many things in life to save money on, but mast and swivels are not
one of them. When you're in a bind, pulling drill pipe out, you can not afford to have a mast that
folds up on you.
Mayhew Jr drill pipe (no seem pipe ) 10ft lengths
The large 2-3/8" drill pipe is still oil field industry standard . Toy rigs use small toy plumbing
pipe. Talk is cheap, if you want to drill you need flow, to get flow you need large drill pipe flow
& large swivel flow. The Mayhew Jr connections are heat treated so they last & last. Also the
threads are very coarse and do not over tighten.
All of our pipe is first tested at 6000psi before it is used. With the 10ft lengths that means less
connections and faster getting out of the hole and getting casing in before bore hole caves in.
Beware of 4ft, 5ft and 6 ft pipe connections, theres a reason for short drill pipe. Short drill pipe
means light duty mast and weaker hydraulics's that can't handle the extra weight. One more tip,
If you drill a 300ft well with 5 ft drill pipe and ream it out 3 times that takes 360 pipe connections
going down and up & out each time, WOW. With 10 ft pipe that cuts connections and drilling
time in half. If your 10ft drill pipe is large & rigid Like 2-3/8" you can drill and ream wells in 2
passes instead of 3 or 4 or 5.
Fuel pincher FPY24 Yanmar Diesel engine
We believe our R77 is the best bang for the buck.
Our Diesel engine package is so tuned and matched it will drill 8 hours on 1 gallon of fuel.
Our engines are not China knock offs, but 100% REAL Yanmar from top to bottom.
Hydraulics
The life of any hydraulic machine is the design. The R77 has a large hydraulic tank so hydraulic
oil stays cool. Over heated oil damages pumps,valves and pumps and seals. Our rigs have been
tested in the summer heat where summer temps get up to 95 degrees at 10.30 am in the
morning. Also our pumps and drive motors are computer flow matched to work together so they
produce torque enough for the toughest formations without creating extra heat. The hydraulic
filter is quick change, so even a novice can change them in 30 seconds, no special tools needed.
Hydraulic hoses are all standard , for easy replacement and repair. We stock replacements,but
replacements also can be bought at any auto parts store or equipment company. We strive to
build the best drilling rig in its class anywhere, not corner the parts market. There's nothing
worse than to have a rig down,because of a simple hydraulic hose blows .Then find out , that it
can only be bought in New York city and it's Friday 5.30 pm. Companies that custom design in a
world wide parts market in there equipment hold you hostage, charging 100s for even the
smallest O-ring or hydraulic hose. This is not our style.
Prices
When researching & pricing drilling equipment look for swivel weight ratings & water course sizes,
Drill pipe lengths and pipe stroke length, And drill pipe ID and OD. Also what drill pipe
connections and threads. CA-21* 1 1/2", Mayhew Jr *2 3/8" ,API 2 7/8" 8 round upset are
real water well and oil field standards. The rest are just honey lip salesmen and china muffer
pipe.
Don't get hung with plumbing pipe or electric conduit, and be told its real heavy duty drill pipe, its only
for toy rigs. We only sell real oil field grade drill pipe , not imported china pipe with seems and a
shallow thread job on it. Please educate yourself, or get a degree in the school of hard knocks.
For more help, try out DIY help books.
Making money drilling
The Drilling business and very good, because even if things slow down, you still need a drink.
Just do a test, call a few drillers out of the local phone book. You will find out, it may be 2 to 3
days before they even return your call, then you will find out that they quote you a high price
twice as high as your guess and don't care if you like it. Then ,even if you have cash in hand
waiting for them, ask them how fast they can get there to start, if they can start before 3 to 5
weeks i will be surprised. Also with geothermal ac / heat taking off and environmental soil
testing theres a big market also. Obama promises to mandate more geothermal use nation wide.
With city water prices going higher and water quality poor, people desire their own water well.
Land developing And getting your return back fast.
When you can buy cheap country land or remote property and add a water well, you just
changed some cheap remote land to a desirable get away retreat someone would be glad to pay
top dollar for. The thing that makes land cheap is no water. Adding a water well to any lot or
acre easily adds 10,000 to 18,000 or more to the value. If you have your own drilling rig you can
drill and set casing & screen on a 200ft well for about 245.00, plus another 450.00 for a new
pump,tank and pressure switch. Still much cheaper than 7 to 12k thousand dollars drillers are
charging.
Rental income
The going rate for drilling rig rental is 650.00 per day and 2 day minimum. Renting the drilling
rig to land owners works well for people who want a quick return on there money and land
owners who want to drill there own water well or geothermal system on there own land.
Benefits of buying an R77 product include:
Easy Portability: our drills are ideal for difficult access or remote areas , plus the most simple
design to repair. We only use standard components that are easily obtained anywhere in the
world. Our goal is to sell user friendly drilling rigs, not build a ONLY PARTS FROM US
ONLY company. Also the R77 is not labor intensive like older truck rigs that required 3 or
more men to man. The R77 only needs 1 man to operate and drill, and 2 men to set casing and
screen.
Environmentally-Friendly: Using an R77 drill results in minimal impact to the environment . No
matting or plywood to get in the jobs.
Simplicity: our machines are easy to operate and set up time is quick. The entire rig operation
is controlled with 2 hydraulic levers, Not like the old truck rig days when it took 3 to 4 strong
men to operate.
Standard Components: parts are easily obtainable and less expensive , all parts are easily
found. We pride our selfs on building the best drilling rig available in its class, not a large parts
business.
Versatility: The R77 machines are designed to be used for various applications. Rotary mud,
air, and even auger with the auger power head option.

For more info or current pricing, please call (903) 626-6436 or Email us: sales@rockbuster.com
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For more info or current price please call (903) 626-6436 or
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Rockbuster R77 Magnum Ready to Drill Package
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Complete R77 Magnum Drilling Rig, Trailer Mounted
200 Ft of 2-3/8" Mayhew Jr Drill Pipe
USA Made Mud Pump & hoses and fittings
One 4" carbide drag bit (Clay and sand)
One 4" carbide Scratcher bit (gummy clay or sand)
One 6" carbide drag Bit (Reamer)
One 3-7/8" Tricone Bit (med rock formations)
API to Mayhew JR thread adapter Sub
Easy Breakout Plates for setting 2" or 4" casing
Drilling manual instructions
Hands on drilling Instruction by appointment
This is a ready to drill package, Just add Diesel!
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Training is available for our Customers What good is equipment without the training!
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Email us at: sales@rockbuster.com
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LIMITED WARRANTY
Every reasonable effort is made to guard against defective material or workmanship entering into the manufacture of products
by Rockbuster International. However in the event of failure or defective part within one year of purchase, our entire liability
is limited to the value of, or replacement of such defective part within that period. Rockbuster International expressively
disclaims liability for incidental or consequential damages. Any modification to the manufactured products voids any
expressed warranty. Rockbuster International will not be responsible for bodily injury, loss of life, or property damage if such
should occur in connection with the use of its products. No warranty is given on parts that are normally subject to rapid wear,
such as packing, wash pipes, wear bushing, stripper rubbers, springs, bearings, hydraulic hoses etc. Seller€™s total
responsibility for any claims, damages, losses or liabilities arising out of, or related to, all products covered there under shall
not exceed the purchase price of the parts.
New Power Pack Option Coming Soon for the R77!! Contact for more details..
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