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PS-4000 Specifications

ENGINE
Type: Turbocharged diesel, C-12 Caterpillar engine.
Power: 425 hp (317.1 kW) @ 2200 rpm.

 

SERVICE CAPACITIES
Fuel reservoir: 200 gal. (757.1 L).
Hydraulic oil reservoir: 320 gal. (1211.3 L) oil reservoir on a three-point suspension system, independent of the main frame

 

AUTOMATED CONTROL SYSTEM
Type: Electronic-over-hydraulic.
Controls: GOMACO's operating system features self-diagnostics for front and rear grade, cross slope, steering, and Smart Steer controls for paving accuracy and ease of operation.

 

TELESCOPING FRAME
Telescoping: Modular frame telescopes on the left side up to 3 ft. 6 in. (1.07 m).

 

HYDRAULIC SYSTEM
Track Circuit
Pump:
One vane pump providing 40 gpm (151.4 Lpm) @ 2100 rpm.

 

Auger Circuit
Pumps:
Two open loop hydraulic vane pumps providing 24 gpm (90.85 Lpm) each.

 

Lift Circuit
Pumps:
One main lift pump provides 37 gpm (140.1 Lpm) @ 2100 rpm. One auxiliary lift pump provides 37 gpm (140.1 Lpm) @ 2100 rpm.
Hydraulic oil cooling:
One stationary cooler with hydraulic fan to cool conveyor and auger circuit oil.
Filtration: Four 10 micron return line filters, two 10 micron control circuit filters and five 100 mesh sump filters.

 

BELT CONVEYOR SYSTEMS
Folding belt conveyor for the two-track placer:

Width: 5 ft. (1.52 m).
Length: Up to 31 ft. (9.45 m).
Fold height: 14 ft. (4.27 m).
Hinge system: Two 3.5 in. (89 mm) by 30 in. (762 mm) hydraulic cylinders.
Hinge fold speed: 8 seconds up and 6 seconds down.
Belt drive: Hydrostatic.
Belt speed: Variable speed control up to 491.5 fpm (149.81 mpm).
Conveyor deflector: Directs the flow of concrete at discharge end of conveyor.

 

Sliding belt conveyor for the four-track placer:
Width: 5 ft. (1.52 m).
Length: Up to 31 ft. (9.45 m).
Extension system: 10 ft. (3.05 m) conveyor extension with two 4 in. (102 mm) by 30 in. (762 mm) hydraulic cylinders acting through a 1:4 cable pulley system to a trolley on a rail.
Extension and retraction speed: 7 seconds out and 7 seconds in.
Conveyor vertical adjustment: Up to 36 in. (914 mm) hydraulic vertical adjustment and an additional 33 in. (838 mm) manual adjustment in 3 in. (76 mm) increments, for a total vertical adjustment of up to 5 ft. 9 in. (1.75 m).
Belt drive: Hydrostatic.
Belt speed: Variable speed control up to 491.5 fpm (149.81 mpm).
Conveyor deflector: Directs the flow of concrete at discharge end of conveyor.
Optional for both sliding and folding conveyors: Pressure-compensated hydraulic belt tensioning for varying haul road height.
Optional for both sliding and folding conveyors: 3 ft. (.91 m) and 6 ft. (1.83 m) conveyor inserts for variable spreading of 26 ft. (7.92 m) and wider.

 

SPREADER AUGER SYSTEM
Type: Reversible 20 in. (508 mm) diameter hydraulically powered split auger.
Auger speed:
Up to 45 rpm.

 

STRIKE-OFF MOLD
24 ft. (7.5 m) wide: One 4 ft. (1.22 m) right-hand drive section, one 4 ft. (1.22 m) left-hand drive section, and one 4 ft. (1.22 m) power transition adjuster (PTA) section. Balance of inserts per customer specifications. Hydraulically pressure compensated sideplates with adjustment up to 19 in. (483 mm).

 

FOUR-TRACK SYSTEM
Type:
Four hydraulically powered, gear-driven crawler tracks.
Overall track length:
10 ft. 11 in. (3.33 m) includes track fender.
Track pad width:
19.7 in. (500 mm).
Gearbox reduction:
104:1 gear reduction with two-speed hydraulic motors.
Track speeds:
Low speed up to 18.3 fpm (5.58 mpm), and high speed up to 36.6 fpm (11.16 mpm).
Track height adjustment:
Each track adjustable in 6 in. (152 mm) increments for 12 in. (305mm) manual adjustment with 36 in. (914 mm) hydraulic adjustment.
Track positioning:
Each track has manual pivoting track mount arms which allow track to pivot 19.5 in. (495 mm) to the outside and to the inside from the straight ahead position.

 

TWO-TRACK SYSTEM
Type: Two hydraulically powered, gear-driven crawler tracks.
Overall track length: 13 ft. 9 in. (4.19 m) includes track guard.
Track pad width: 19.7 in. (500 mm).
Gearbox reduction: 104:1.
Track speed: Two-speed, low @18.3 fpm (5.58 mpm), high @ 36.6 fpm (11.16 mpm).
Track height adjustment: Each track is adjustable in 6 in. (152 mm) increments for 12 in. (305 mm) manual adjustment with 36 in. (914 mm) hydraulic adjustment.

 

WEIGHTS (variable, depending on number of options)
Four-track transport weight: 106,000 lbs. (48,082 kg) without strike-off mold and conveyor.
Four-track operational weight: 182,000 lbs. (82,555 kg) with strike-off mold and conveyor, placing and spreading 32 ft. (9.75 m) wide.
Two-track transport weight: 70,000 lbs. (31,752 kg) without strike-off mold and conveyor.
Two-track operational weight: 90,000 lbs. (40,824 kg) with strike-off mold and conveyor, placing and spreading 32 ft. (9.75 m) wide.

 

DIMENSIONS
Placing/spreading width: Up to 50 ft. (15.24 m).
Operational length with folding conveyor: 25 ft. 2.4 in. (7.68 m).
Operational length with sliding conveyor: 46 ft. 11 in. (14.3 m).
Operational width: Up to 75.03 ft. (22.87 m).

 

ATTACHMENTS AVAILABLE

  • Four corner outrigger system, manual operation.
  • Four corner outrigger system, hydraulic powered.
  • High-pressure water system.
  • Low-pressure water system.
  • Frame extensions.
  • Conveyor inserts.
  • 7500 series strike-off mold with reversible 24 in. (610 mm) diameter hydraulically powered split auger.
  • Strike-off inserts.
  • Twin belt conveyor systems.
  • Other options are available to customize machine to accommodate applications and customer needs.

 

MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING U.S. OR FOREIGN PATENTS: 3,299,786; 3,450,011; 3,541,931; 3,779,661; 3,959,977; 4,073,592; 4,136,993; 4,226,917; 4,343,513; 4,360,293; D-266,850; 853,607; 861,819; 954,773; 406,787; 1,147,187; 133,220; D-512,249; 4,717,282; 4,457,645; C-1,110,893; C-1,191,044; 12,890-1-0010; 5,061,115; 7,509,187; 7,509,615; 5,102,267; 5,101,360; 4,954,019; 4,984,639; 5,190,397; 5,209,602; 0,518,535; 2,067,126; 494,257; 69,031,836.7-08; 2,069,516; 5,924,817; 2,833,084; 7,517,171 B2 AND PATENTS PENDING.

GOMACO Corporation reserves the right to make improvements in design, material, and/or changes in specifications at any time without notice and without incurring any obligation related to such changes.

Performance data is based on averages and may vary from machine to machine.

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