Highway HFMS Pressure Diggers

Pressure Drill

“HFMS” Pressure Drill

Featuring Highway’s 4 1/2″ internally sealed kelly bar and 18″ ring gear. This unit is a true work horse.

Mechanical drive and hydraulic bar
Gas or diesel auxiliary engine
Three speeds forward and reverse power shift transmission
4 1/2″ kelly bar design
18″ ring gear
Torque’s to 52,000 ft./lbs.
Digging depths to 30 feet
Fixed, spotter or swing bases
Mounts on tandem axle carrier. (specialty carriers available)

AUXILIARY ENGINE: (STANDARD)

John Deere 4045T, Balanced diesel engine 115 HP
OPTIONAL: Highway will work with the following companies:
- CATERPILLAR
- CUMMINS
- DETROIT
- DEUTZ
- FORD
- PERKINS
*Consult factory for models available.

TRANSMISSION:

Power Shift, three (3) reverse speeds forward.
12.75″ torque converter with safety lock shifter.
Transmission oil cooler.
OPTIONAL:
- Four speed forward and reverse.
- 13″ with safety lock shifter.
- Transmission oil cooler.

FUEL SOURCE: (STANDARD)

Fuel supplied by chassis fuel tank (diesel/ diesel)
OPTIONAL: 50 Gallon fuel tank with mechanical gauge.

TORQUE & R.P.M.: (STANDARD)

1st 52,513 @ 18.2 RPM
2nd 22,644 @ 42.2 RPM
3rd 9,068 @ 105.4 RPM

KELLY BAR:

4 1/2″ hollow kelly bar with internal seals.
4140 tool steel, heat treated
1 1/8″ auger pin hole.

AUGER CAPACITY: HM 38 Pressure Digger

72″ Intermittent
54″ Continuous

HOLE DEPTHS: (STANDARD)

10′
OPTIONAL: Up to 30′
NOTE: all dig depths are based on a 38″ chassis frame height and 36″ long auger.

FINAL DRIVE:

Special design pinion with a 18″ ring gear.
5 year warranty on ring gear and pinion gear.
Steel carrier with replaceable bronze thrust plates

HYDRAULIC SYSTEM:

100 G.P.M. tandem gear pump.
2,100 PSI main system pressure.
115 gallon oil reservoir.
In tank suction strainers
In line return filter

BOOM LEVELING: (STANDARD)

20 DEGREES LEFT
45 DEGREES RIGHT
15 DEGREES OVER VERTICAL
*Options available consult factory for special applications.

TURNTABLE BASE: (STANDARD)

95″ diameter, 4″ ship & car channel rolled ring.
240 degree rotation
120 series chain run threw hydraulic speed reducer.
OPTIONAL:
- Rollers in lieu of slide pads.

OUTRIGGERS: (STANDARD)

Rear “A” frame
OPTIONAL:

Straight down jacks on rear corners
Two sets of “A” Frame outriggers
Radial arm outriggers
Out & down front outriggers

PIVOT BASE:

Constructed of 8″ Wide flange I-beam 25 lbs./ft.
Full length greasable main frame guides.

MAIN FRAME:

Constructed of 10″ Wide flange I-beam.
36 inches of In/Out slide travel.

DERRICK:

7″I.D.X 7 1/2″ O.D. seamless tubing
20,650 ft./lbs. Crowd force. Maximum
10,800 ft./lbs. Retract force. Maximum

TELESCOPING DERRICK: (OPTIONAL)

6′ Telescoping derrick

POLE GUIDES: (OPTIONAL)

Mechanical linkage fixed pole guides with side rollers.
Mechanical linkage tilting pole guides with side rollers

WINCH: (OPTIONAL)

Planetary winch 10,000 lb. On first wrap.
125′ of 7/16″ wire rope

OIL TANK:

115 Gallon hydraulic reservoir with baffles & suction strainers.
*Location can be altered, consult factory.

DIGGER WEIGHT:

Base weight digger only 16,500 lbs. (Approx.)

CHASSIS OR CARRIER:

108″ Cab to Axle minimum
46,000 GVW Single axle minimum

OTHER OPTIONS:

Paint colors, Hydraulic tool circuits, Water tanks, Auger storage, Tunnel storage, Tool boxes, Trailer hitches, Panel lights, Work lights, Safety lighting, Grounding systems, Auger adapters & extension, Augers, Tooling, Hydraulic tools, Outrigger pads, Wheel chocks.

Why the Highway HFMS?

1. The largest ring gear (18″) in it’s industry class backed by a 5 year factory warranty.

2. 4 1/2″ kelly bar with internal bar seals. Yes that’s right, this is a hollow bar design with the seals located inside the bar. Eliminates inefficient external bar seals.

3. Steel main carrier with replaceable thrust plates for less maintenance costs.

4. Heavy duty pivot base and main frame provide long machine life without breaking or bending.

5. More options and custom configurations available than the competition.