Highway Mechanical Pressure Diggers
Model "HM-38"
Features:
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:
- Four (4) speeds forward and reverse.
- 13" torque converter 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 41,607 @ 29.7 R.P.M.
- 2nd 20,704 @ 59.8 R.P.M.
- 3rd 11,613 @ 106.6 R.P.M.
- 4th 6,636 @ 186.7 R.P.M.
KELLY BAR:
- 3" solid square bar with rounded corners.
- 4140 tool steel, heat treated
- 1 1/8" auger pin hole.
AUGER CAPACITY:
- 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 and remote bar seals.
HYDRAULIC SYSTEM:
- 100 G.P.M. tandem gear pump.
- 2,100 P.S.I. main system pressure.
- 115 gallon oil reservoir
- In tank suction strainers
- In tank 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:
- #1. 35 Degree Pivot base. 100" travel with 36" slide.
- #2. Fixed base
- #3. Rollers in lieu of slide pads.
OUTRIGGERS:
(STANDARD)Rear "A" frame
OPTIONAL:
- Straight down jacks on rear corners
- Two sets of "A" Frame outriggers
- Spring lockouts
- Out & down front outriggers
PIVOT BASE:
- Constructed of 6" Wide flange I-beam 25 lbs./ft.
- Full length greasable main frame guides.
MAIN FRAME:
- Constructed of 6" Wide flange I-beam 25 lbs./ft.
- 36 inches of In/Out slide travel.
DERRICK:
- 4 3/4"I.D.X 5 1/4" O.D. seamless hydraulic honed tubing
- 35,400 ft./lbs. Crowd force. Maximum
- 22,900 ft./lbs. Retract force. Maximum
MAST:
6"X 6"X 1/4" Square tubing
TELESCOPING DERRICK: (OPTIONAL)
- #1. 6' Telescoping derrick
- #2. 9' Telescoping derrick
POLE GUIDES: (
OPTIONAL)
- #1. Mechanical linkage fixed pole guides with side rollers.
- #2. 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 14,500 lbs. (Approx.)
CHASSIS OR CARRIER:
- 102" Cab to Axle minimum
- 32,000 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 HM-38?
1. The largest ring gear (18") in it's industry class backed by a 5 year factory warranty.
2. Remote bar seals reduce the amount of dirt exposed to the bar packings and assures straight alignment into the 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.
6. C.A.D. layout for our customers. All machines are drawn to specification and checked by our customers for accuracy. Remember, no two minds think alike.
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