For Concrete Breaking - Tamping - Trenching - Post Holes - Electronic Stroke
The Arrow Hammer Model 1350T is a pneumatic-tired, mobile hydraulic hammer that operates on and off paved surfaces. A 74 HP John Deere, Tier 4, turbocharged, engine provides power for the Arrow Hammer. The standard synchromesh transmission allows the machine to be driven at speeds up to 20 MPH. During operation, the unit propels itself through a hydraulically-controlled creeper gear, providing speeds up to 63 FPM.
The Arrow Hammer Model 1350T breaks, cuts, and scores concrete, rock, and asphalt into sizes suitable for excavation, recovery, or cracking and seating. It compacts and tamps backfill with adjustable impact up to 13,000 foot pounds; or a fraction of that force when it’s necessary to protect what's underground. Arrow is unquestionably the most effective tool for trench compaction. Standard features include electronic stroke control, a pivoting mast for maximum impact on uneven surfaces, stop lights and reflectors, and mechanical back-up alarm. A sample of available options include all-weather cab, suspension seat, twist-lock parking brake, chip guard, plus a full range of accessory tools.
Fifty years since it was introduced, this niche machine keeps producing
by Keith Haddock, Contributing Editor
From the May 2004 issue of Construction Equipment magazine
Some machine innovations enjoy instant success and bring great financial rewards for their inventors. Others are ahead of their time and rapidly fade from the scene through lack of promotion or the unwillingness of customers to change traditional habits.
The Arrow hydraulic hammer fits into neither of those extreme categories. The limelight never shone on this machine, and it was never exactly a household word. Yet it has survived for almost half a century, little changed from its original design, and is still hitting hard in its niche market of scoring, cutting, breaking and tamping.
The Arrow Manufacturing Co. was founded in 1943, in Denver, and produced a variety of equipment for the construction industry. In 1955, the Arrow mobile hydraulic drop hammer was introduced. This versatile self-propelled vehicle carried a hydraulically driven hammer mounted in a moveable frame. The frame could be angled or moved from side to side across the width of the machine for working close to walls or other obstructions. The operator could set the machine for manual or automatic operation. In automatic mode, he could select the height of hammer drop and speed of travel to deliver blows of uniform impact at a uniform rate. The patented hydraulically powered “creeper gear” provided working speeds up to 32 feet per minute. With the hammer frame folded down, the machine could be driven from job to job at speeds up to 30 mph.
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MOBILE HYDRAULIC HAMMER
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CHASSIS: All-welded unitized frame.
ENGINE:
John Deere Powertech Series Model 4045T, Tier 4, turbocharged, diesel engine. 4-cylinder, 4-cycle, 275 cubic-inch displacement (4.5 L), Bore - 4.2" (106 mm), Stroke - 5.00" (127 mm), 74 hp (55 kW) @ 2200 rpm intermittent, maximum torque of 195 lb-ft (269 Nm) @ 1700 rpm. Equipped with a full-flow oil filter and dry-type air cleaner.
TRANSMISSION:
Conventional standard, synchromesh totally enclosed transmission. Three forward speeds up to 20 mph (32 km/h) and one reverse speed.
AXLES:
Front wheel drive with single hypoid gear, axle rated at 11,500 lbs. (5,215kg). Rear wheel steering with 6,000 lbs. (2,720kg) rated axle.
CREEPER DRIVE:
Patented hydraulic creeper drive mounted directly on the transmission. Creep speed is infinitely variable up to 63 fpm (19.2 mpm) in forward or reverse.
TRANSMISSION CREEPER INTERLOCK:
Supplied with a mechanical device that prevents the creeper gear from being engaged if the travel transmission is in gear.
TIRES:
Driving tires (Dual):
Load-range E - 235/80R17
Inflation 80 psi (550 kPa).
Steering tires:
Load-range E - 235/80R17
Inflation 80 psi (550 kPa).
FENDERS:
Heavy-gauge metal fenders to provide protection of operator and vehicle from flying debris.
ROLLOVER PROTECTION STRUCTURE (ROPS)
With Seat Belts:
Rollover protection structure certified to SAE J1040 for additional operator safety.
SERVICE BRAKES:
Four wheel hydraulic independent system.
PARKING BRAKE:
Mechanical parking brake.
POWER STEERING:
Full power steering that allows unit to be steered when engine is not running. Steering wheel is mounted to a fixed steering column attached to the dashboard.
HORN:
Electric 12-volt horn to comply with OSHA requirements.
STOP LIGHTS AND REFLECTORS:
Recessed combination stop and tail lights to comply with OSHA requirements.
FUEL TANK CAPACITY: 30 Gallons (113 L)
OIL TANK CAPACITY: 24 Gallons (91 L)
HYDRAULIC SYSTEM:
Hydraulic system consists of a tandem hydraulic pump driven directly from the engine crankshaft. The tandem hydraulic pump delivers 44 gpm (167 lpm) @ 1,750 psi (121 bar) for hammer activation and 16 gpm (61 lpm) @ 1,500 psi (103 bar) for all other functions. The system includes suction strainers, a return in-line filter and oil cooler.
HAMMER WEIGHT: 1,356 lbs. (616 kg)
IMPACT ENERGY (ft-lb): 13,000 (17680 Nm) Maximum
HAMMER CYCLES:
24" (.6 m) Stroke: 42 Per Minute
Full Stroke: 24 Per Minute
LENGTH OF STROKE: 1' to 9' (.3 m - 2.7 m) Maximum
LEAD: One-piece lead that lays back hydraulically for traveling/transport.
MAST TRAVERSE SYSTEM:
The mast traverse system is a hydraulically controlled chain and sprocket system that allows adjustable placement of the mast on the lead assembly. The mast traverses on long-life machine-type ways.
MAST TRAVERSE DISTANCE:
(from center line of tool) 68-1/2" (174 cm)
MAST TILT:
The mast assembly pivots hydraulically, approximately 9 degrees to either side, to provide square controllable blows.
GAUGES:
Oil Pressure, Water Temperature, Hour Meter, Fuel, and Ammeter.
ELECTRICAL SYSTEM:
12-volt system with (1) one Group 31 - 775 CCA battery and a 75 amp alternator.
OPERATOR'S AREA:
Operator's area includes controls for hammer functions (actuation, stroke control, traverse, mast tilt and mast lay-back). Also includes controls for acceleration, braking and transmission. Grip-type access steps provided for access to the seat which is adjustable front to back. Safety switches prevent engine startup if movement function controls are activated.
SHIPPING WEIGHT (Approximate): 9,600 lbs. (4,355 kg)
HEIGHT:
In working position (overall): 14'-3" (4.3 m)
Traveling position with ROPS (overall): 7'-9" (2.3 m)
LENGTH:
In working position (overall): 13'-8" (4.2 m)
In traveling position (overall): 14'-4" (4.4 m)
TREAD WIDTH:
Front Wheels: 84-1/2" (2146 mm)
Rear Wheels: 73-1/2" (1867 mm)
WHEELBASE: 97" (2464 mm)
WIDTH (overall): 88-1/2" (2248 mm)
MAXIMUM ROAD SPEED: 20 mph (32 km/h)
Popular options
7000116 Vandalism kit
7000121 Tool box
7000123 SMV sign
7000147 250ft spare cable
7000148 Chip guard
7000163 Suspension seat
7000165 Tachometer
7000236 Engine shutdown system
7000179 Mico lock parking brake
7000184 Electric backup alarm
7000201 Installed 8in. breaker
Lighting
7000108 Headlights on fenders Cab offerings7000139 Cab with wiper |
Thickness | Sq Feet / Hour | Sq Meters / Hour |
4" - (102mm) |
8,100 to 11,700 |
750 to 1,090 |
Information listed in this CONCRETE BREAKING PRODUCTIVITY CHART was gathered from many years of operational experience and confirmed by recent nationwide surveys. This data is a guide to determining average concrete breaking production for a specified thickness. A number of factors must be taken into consideration: age and composition of the concrete, rebar, hardeners and type of aggregate used.
COMPACTION IN NARROW PLACES
- Layers of 3ft to 6ft at 95% to 100% efficiency
Applications include: Foundations & Trenches.
Backfill: |
Cu Yards / Hour | Cu Meters / Hour |
Cohesive soils | 46 | 42 |
Well Graded Granular Soils | 22 | 20 |
Uniformly Graded Backfill | 17 | 15.5 |
TRENCH CUTTING
Asphalt Thickness | 4" (10cm) |
6" (15cm) |
8" (20cm) |
10" (25.4cm) |
12" (30.5cm) |
14" (35.5cm) |
Linear Feet/Hour (Meters)/Hour |
225' (68m) |
210' (64m) |
195' (60m) |
180' (55m) |
165' (50m) |
150' (46m) |
Note: Arrow-Master Incorporated has a policy of continuous product research and improvement, and reserves the right to change design and specifications without notice.