GOMACO Corporation manufactures curb and gutter machines, concrete slipform pavers, placer/spreaders, trimmer/placers, cylinder finishers, canal machinery and accessories ideal for any concrete construction project.

(Updated 11-17-14)

This contractor slipformed radii as tight as 2.5 feet (0.8 m) with their new GOMACO GT-3600 curb and gutter machine with Topcon mmGPS system on a parking lot project in Murfreesboro, Tennessee.

On the first day with the new system, they slipformed 16 islands. The crew would go on to finish the entire project in less than five days. The 43 islands were slipformed in only 2.5 days. Another 1.5 days were spent slipforming the perimeter curb and gutter for the parking lot. On the fifth day, they were loading up and heading out to their next project.

This is the cover story in the new issue of GOMACO World. Click here to read the rest of the article, or download the new GOMACO World PDF.

Photos by Kelly Krueger, GOMACO Corporation
 

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GOMACO World Vol. 42, No. 1

G+® and 3D: Putting the Fun Back Into
Curb and Gutter

Slipforming Tight Radii Islands With A GT-3600 & 3D

Next Generation Commander III Slipform Paver

The GOMACO Commander III, the best-selling multi-application slipform paver of all time, just got better. The next generation Commander III’s new design was driven by the new GOMACO G+® control system and the new Tier 4 engines.

  • It features a redesigned frame and operator’s platform with a new pivoting operator’s control console.
  • The frame has been rebuilt to accommodate Tier 4 engines and their cooling packages.
  • The operator’s platform is now isolated to eliminate vibration. It’s also quieter to work on the platform or around the machine.
  • The Commander III has a new optimized cooling package with the hydraulic fan controlled by G+ to adapt cooling needs to job-site conditions for both a quiet and efficient operation.
  • It has improved fuel efficiency with a power-optimized engine and load-sensed hydraulic circuits.
  • It has the new GBox on every leg to accommodate improved steering and grade with G+ controls.
  • The next generation Commander III will be available with an optional on-board camera as a new device to monitor designated areas of the slipforming process.
  • G+ controls make all of these advancements possible on the next generation Commander III, including hydraulic fan speed, pivoting operating console, the electronic and hydraulic initiative and more. G+ controls will also accommodate telematics for remote engine and machine monitoring.

Download The Next Generation Commander III Brochure (PDF Format)

More on the next generation Commander III.

Zero-Clearance GT-3400 Trimmer For High-Volume Grade Preparation

  • A trimmer for narrower-width, zero-clearance flat or monolithic sidewalk and curb and gutter
  • Easily fits between existing trees, utility poles and other obstacles in residential sidewalk paving
  • Three-track design features All-Track Steering for easy maneuverability between obstacles, getting on/off stringline, and loading/unloading the machine
  • Trims standard and monolithic sidewalk profiles up to eight feet (2.4 m) wide
  • Hydraulically-controlled front gate on trimmerhead can be raised to trim through windrowed material or lowered for standard trimming
  • A 15 foot (4.6 m) long, 15 inch (381 mm) wide transfer conveyor and a 19 foot (5.8 ft) long, 20 inch (508 mm) wide discharge conveyor move the trimmed material
  • Discharge conveyor folds and swings 90 degrees from center to avoid obstacles such as trees and utility poles
  • The GT-3400 is operated by a wireless remote control allowing the operator freedom to move around the job site while operating the machine
  • Controls are located on the discharge conveyor for positioning and folding

Download The GT-3400 Sidewalk Trimmer Brochure (PDF Format)

More on GT-3400 Sidewalk Trimmer.

High-Production With The Commander III Trimmer

  • High-production trimmer capable of widths up to 11 feet (3.4 m)
  • Features the same framework as the Commander III curb and gutter model, but with minor modifications
  • Equipped with the most powerful trimmer ever put on a Commander III
  • Capable of trimming flat or monolithic sidewalk and curb and gutter profiles
  • Trimmerhead has three air shocks to keep it stable during the trimming process
  • Two conveyors move the material
  • Shipping width is only 11 feet (3.4 m) and the Commander III trimmer transports as a single unit
  • Trimming conversion can be retrofitted to higher horsepower existing new generation Commander IIIs with G21 or newer GOMACO control systems

Download The Commander III Trimmer Brochure (PDF Format)

More on Commander III Trimmer.

Four-Track T/C-5600 Texture/Cure Machine

GOMACO's new four-track T/C-5600 texture/cure machine is equipped with four crawler tracks and the G+® control system for electronic-over-hydraulic steering and grade control. The four-track design allows for All-Track Steer (ATS) for easy transport and width changes, and the frame design has the structural integrity to go up to 56 feet (17.07 m) wide.

The T/C-5600 features a new walking end car with cure tank. Frame sections can be added or removed by turning the tracks 90 degrees, and walking the end car with attached cure tank to the required width. The T/C-5600 has the all new Tracer Texture Control for tining depth accuracy, and the exclusive GOMACO G+ control system has self-diagnostics for grade and steering.

Download The T/C-5600 Texture/Cure Brochure (PDF Format)

More on T/C-5600.

G+ Connect - A Revolutionary Control System For GOMACO Equipment

The new, proprietary CAN-based network on GOMACO products that allows fast, two-way communications between all accessories and the G+ controller.

GOMACO's exclusive G+ Connect is a closed-loop control system for both the electronics and hydraulics on GOMACO pavers. The closed-loop system between the paver's valve drives and various sensors means unparalleled accuracy. The sensored feedback ensures tighter, faster, and more accurate machine corrections. G+ Connect utilizes a CAN (control area network) network allowing all of the components of the system to easily communicate with each other for precision setup and paving. At the heart of G+ Connect is the G+ control system, GOMACO's proprietary software and control system.

Download The G+ Connect Brochure (PDF Format)

More on G+ Connect.

Video Clip: G+ Control System
(12 MB, 3:30 minutes long)
Windows Media Video (.wmv), requires Windows Media Player

GT-3200 Paver Featured For Sidewalks

The GOMACO GP-3200 has been designed specifically for sidewalks in rehabilitation projects. It has a rear-mounted mold and a folding conveyor that swings in to avoid obstacles, making it a great choice for minimum-clearance sidewalk projects.

Download the GT-3200 Sidewalk
Paver Brochure (PDF)

 

More on the GT-3200 Sidewalk Paver.

GP-2400 Slipform Paver

The new GOMACO GP-2400, available with two or four tracks, is the economical slipform paver.

  • Two-track or four-track slipform paver.
  • Simple to operate with the new GOMACO designed G+® control system.
  • Range of paving widths up to 16.5 feet (5 m) with the standard telescoping frame. Widths up to 24 feet (7.5 m) with frame inserts.
  • T-beam mounting rail for accurate and quick mold positioning, quick mounting, and removal of the mold.
  • Ultimate operator visibility.
  • Powered by a 174.5 hp (129.5 kW) Caterpillar® diesel engine.
  • Travel speed up to 105 feet per minute (32 mpm) on the two-track paver and up to 96 feet per minute (29 mpm) for the four-track paver for fast job-site mobility.
  • Designed for minimum machine transport width for faster, easier, cost effective job-to-job mobility.
  • 3100 series open-front mold.
  • Right-side or left-side barrier with four-track paver.

Download The GP-2400 Slipform Paver Brochure (PDF Format)

More on the GP-2400 Slipform Paver.

Video Clip: GP-2400 Slipform Paver
(12.6 MB, 4 minutes long)
Windows Media Video (.wmv), requires Windows Media Player

Left-Side And Right-Side Barrier With The 4400

Left Side

Right Side

Pour off the right-side and left-side with the 4400 ultimate barrier paver.

  • GOMACO U-shaped operator's platform, with vibration isolation, puts the operator comfortably on top of the action.
  • Control console slides from side-to-side for ultimate operator control. When not in operation, the console locks safely away in center position. New proprietary G+® control system operates in multiple languages.
  • Power-optimized Cummins QSB3.3, 99 hp (74 kW) diesel engine.
  • Hydraulic leg height adjustment of 36 inches (914 mm), manual adjustment of eight inches (203 mm).
  • Piston-style legs with bearings on both ends of the inner tube eliminate steel on steel contact. Steel keyway on cylindrical inner tube provides steering control.
  • GOMACO-exclusive trailing stainless steel for a superior finish.
  • Barrier Hook-and-Go mold mounting system for barrier up to 39.4 inches (1000 mm) tall. (Side-mount option available for taller or existing profiles.)
  • Track circuits provide up to 37 feet per minute (11 mpm) operating speed and up to 98 feet per minute (30 mpm) for job-site mobility.
  • Front and rear telescoping legs on both sides.
  • Industrial strength molded leg caps provide component protection.
  • 4400 series auger built with pitch and speed designed specifically for low-slump concrete.
  • 16 inch (406 mm) diameter auger.
  • Four-way hydraulic positioning allows perfect placement of the auger for concrete receiving and delivery to the mold on either side of the 4400.
    1. Pivoting Tilt
    2. Pivoting Swing
    3. Longitudinal Slide
    4. Sideshifting
  • Optional molds available for barrier, parapet, curb and gutter, and sidewalk.

Download The 4400 Barrier Paver Brochure (PDF Format)

More on the 4400 Barrier Paver.

Video Clip: 4400 Barrier Paver
(14.6 MB, 5 minutes long)
Windows Media Video (.wmv), requires Windows Media Player

Paver-Mounted GSI®

Immediate smoothness readings are available with the GSI on-board your paver. The paver-mounted GSI is a cost-effective quality control tool that is quick and easy to install on your GOMACO paver. Since it's on-board the paver, any interference with the rest of the paving train or finishing crew is minimal. It also has the capability of reading multiple traces, from one to eight.

The effectiveness and quality of the GSI has been verified by contractors on projects around the world and by independent studies.

Download The GSI Brochure (PDF Format)

More on the GSI.

Video Clip: Mold-Mounted GSI®
- (5.6 MB, 2 minutes long)
Windows Media Video (.wmv), requires Windows Media Player

Hydraulic Side Bar Inserter (SBI)

The GOMACO Hydraulic Side Bar Inserter (SBI) is designed to insert straight tie bars into the side of a newly paved slab using hydraulic force to insert the bar. Vibration, which is adjustable in a range of 2000 to 6000 vpm, is applied to the bar during the insertion process to assist with penetration and also consolidation of material around the bar. The insertion apparatus maintains its position with the side of the slab, as the paver continues to move forward during insertion of the bar. The SBI can be fitted to either the left side or right side of the paver or an inserter can be placed on both sides.

Download The Step By Step - Hydraulic Side Bar Inserter (SBI) Brochure (PDF Format)

More on the Hydraulic Side Bar Inserter.

Commander III 4-Track Features Roller Frame

A roller frame provides easy and accurate width changes. The Commander III's frame hydraulically telescopes on the left side up to 6 ft. (1.83 m). The dual rollers, mounted to the top and bottom of the outer frame tubes, position the inner tube and reduce the amount of surface to surface contact area. This reduces friction and drag as the inner tube rolls when telescoping. The roller frame was originally developed for the Commander III with a V2 mold. The V2 is GOMACO's dual mold system that is hydraulically adjustable for paving at different widths. The roller frame provides a fluid action as the V2 mold is making on-the-go width changes for tapered slabs. The roller frame is now standard on all GOMACO Commander III four-track machines. It can also be retrofitted in the field on existing Commander IIIs.

Download The Commander III Brochure (PDF Format)

More on the Four-Track Commander III.

Optional Folding Rear Conveyor Belt For 9500

The GOMACO 9500 trimmer or placer is available with an optional rear folding conveyor. The option allows the conveyor to remain attached to the 9500 during shipping. The 9500's shipping length, with the new folding rear conveyor, is just 41.8 feet (12.7 m). Shipping height is 11.5 feet (3.5 m).

Engineers rebuilt the conveyor to be stronger and more rigid with a new, truss-style framework. The switch to control the hydraulic folding operation of the conveyor can be placed at different locations on the back of the machine. The belt width is still 36 inches (914 mm) and the rear conveyor maintains its 160 degree swing with hydraulic height adjustment up to 12 feet (3.7 m). It has a 34.7 feet (10.6 m) long reach during machine operation, with a conveyor belt speed of 504 feet per minute (153.6 mpm) allowing fast placing of concrete or removal of trimmed material.

Download The 9500 Brochure (PDF Format)

More on the 9500 Trimmer/Placer.

5400 Series Paving Mold

The new 5400 series paving mold is designed with a structural integrity that is unmatched in the industry.

  • New box design with durable 0.5 inch (13 mm) paving skin
  • Vertically-adjusting mold mount for precise leveling of mold to machine
  • Telescoping end sections with 12 inches (305 mm) of width variation on each side are available
  • Standard paving depth is zero to 24 inches (610 mm)
  • Edge slump adjustment
  • Hydraulic Vertical Hinged Sideplates, self-contained inside the mold for track clearance
  • Split, pressure-compensated sideplates
  • Folding sideplate wings for transporting without removing
  • Pivoting mold mounting beam to eliminate stress points
  • Self-supported TA is hydraulically driven with 3.5 inch (89 mm) ACME screws for up to a six inch (152 mm) crown
  • Front and rear top T-bar on mold for attaching accessories and structural integrity
  • Inserts are bolted together with front and rear alignment pins for easy mold assembly
  • New vibrator mounting tube attaches to T-bar on mold
    – Vertical vibrator lift
    – Rear lubrication system with grease zerks accessible from the work bridge
  • New strike-off
    – Mounted on paver frame T-rail, independent of the mold
    – New modular design with wedge lock system for ease in changing widths
    – 10 inches (254 mm) of hydraulic height adjustment
    – Hydraulic crown adjustment
  • Spreader plow mounted to paver frame T-rail, optional auger available
  • Tamper bar optional

Download The 5400 Series Mold Brochure (PDF Format)

More on the 5400 Series Paving Mold.

Video Clip: 5400 Series Paving Mold
(9.7 MB, 4 minutes long)
Windows Media Video (.wmv), requires Windows Media Player

5400 Series Bar Inserter

New rear-loading, front-inserting bar inserter for the 5400 series paving mold.

  • Bar inserter is rear loading and front inserting for ease of use
  • Mounts to the mold’s T-bar and allows crown changes, on-the-go, while maintaining a constant bar depth
  • Individual depth guides on right and left side of bar inserter keep bars parallel to top of slab
  • Holds up to 50 bars in bar magazine and bar loading chain system
  • Bar box is mounted to paver’s rear T-rail for easy access and loading of bar magazine
  • Reliable bar loading chain system with bars traveling in a flat, straight path for maximum efficiency
  • Inserts bars up to 7.5 inches (190 mm) deep into concrete slab
  • Accommodates #3 (0.375 inch/10 mm) to #8 bars (one inch/25 mm) in diameter and 20 to 40 inches (508 to 1016 mm) in length
  • Proximity switch control for automated bar loading system
  • Rear lubrication system with grease zerks accessible from work bridge
  • Controlled with GOMACO’s new G+ system

Download The 5400 Series Bar Inserter Brochure (PDF Format)

More on the 5400 Series Bar Inserter.

Video Clip: 5400 Series Bar Inserter
(8.3 MB, 3 minutes long)
Windows Media Video (.wmv), requires Windows Media Player

C-450 With Transitional Framework

The transitional framework is a new design option for the GOMACO C-450 cylinder finisher that provides faster assembly and weight savings compared to wider-width finishers requiring an overhead truss system. The new frame features transition sections connecting the C-450's standard 24 inch (610 mm) tall framework to the 42 inch (1067 mm) tall framework used on a C-750 finisher. The frame sections only need to be pin-connected and the cross arms bolted in place.

The overhead truss system is eliminated. The transitional framework not only provides a much quicker assembly time, but also decreases the weight of the machine considerably. It is estimated to be eight pounds per foot (11.9 kg/m) lighter when compared to a machine with overhead truss.

The transitional framework sections can also be removed and the C-450 can finish at smaller widths with its standard 24 inch (610 mm) framework. The new framework allows the versatility of two finishers in one for the narrower or wider widths. The new transitional framework can be added to new or existing C-450s.

GOMACO's line of bridge deck finishers is also available with the optional third wheel assist on the standard bogies to further distribute the machine's weight while traveling on the rails. The optional third wheel assist bogies, on each side of the finisher, consist of two single-wheel idler bogies attached to the spreader beam. It's a simple modification that can be made to any C-450 or C-750 to help spread the weight out and reduce the wheel load on the overhang brackets.

Download The C-450 With Transitional Framework Brochure (PDF)

More on the C-450 with transitional framework.

Standard Features For GT-3600

  • Hook-And-Go Mold Mount System

    Travel speed has nearly doubled from 66 fpm (20 mpm) to 125 fpm (38 mpm) with the two-speed track system.
  • Sensor arms and mounts which are more durable, lighter weight and easier to manipulate.
  • Hook-and-Go mold mount system has no pins or latches and makes it quick and easy to change molds. Simply drive the GT-3600 up to the mold and hook the mount to a special attachment plate. The operator hydraulically lifts the mold and goes back to work slipforming the project.
  • Legs have been increased in diameter by 15 percent, providing the same quality and durability as the Commander III legs.
  • Push-button steering control setup with "smart" cylinders.

More on these features and on the GT-3600

Video Clip: GT-3600 Features
(5.2 MB, 4 minutes long)
Video Clip: GT-3600 Stringless Islands
(24.4 MB, 8 minutes long)
Video Clip: Hook-and-Go
(2.6 MB, 60 seconds long)
Windows Media Video (.wmv), requires Windows Media Player

V2 Mold For Quick & Easy Width Changes

  • Hydraulically adjustable dual mold for various paving widths
  • On-the-go paving of tapered slabs
  • Separate mold control for the right and left side
  • Features dual PTAs for crown height adjustment
  • Telescoping plow framework to accommodate width changes
  • Available with a curb profile on one or both sides for municipal paving
  • Designed to adapt to virtually any paver/prime mover in the field today
  • GOMACO is developing programmable width changes through our G21 controller and other possibilities for the new V2

More on the V2 Paving Mold

Video Clip: V2 Mold Presentation
(11.3 MB, 4 minutes long)
Video Clip: V2 Mold Options
(6.8 MB, 2 minutes, 30 seconds long)
Windows Media Video (.wmv), requires Windows Media Player

24-Hour Emergency Service Assistance At 712-364-4716

A representative from the GOMACO Service Department is available 24 hours a day. If you have an after-hours emergency, dial 712-364-4716, and you will be connected with the GOMACO service representative on call. During normal business hours, simply call the Service Department for assistance.

Featured Products

The All-American Canal: Slipforming 72 Feet (21.9 m) Wide...

The All-American Canal lining project through the Imperial Valley in California called for a new 23 mile (37 km) long concrete-lined canal to be built parallel to the existing unlined canal. Coffman Specialties would pave the six mile (9.7 km) long Reach Two and four mile (6.4 km) long Reach Three of the project. The proposed lined sections would have slopes of 1.75:1 and 2:1, a bottom width of 50 feet (15.2 m) and a top width spanning 150 feet (45.7 m). Slope widths would be variable, between 37.3 feet (11.4 m) and 45.7 feet (14 m). The concrete lining itself would be four inches (102 mm) thick.

The first piece of equipment was the canal paver. A GOMACO GP-4000 prime mover, set on top of a ten foot (3 m) tall framework, provides the power plant and control system for the paver. The mold sections are a 5000 series paving mold which were slightly modified. The machine is mounted on four tracks that are 13 feet, nine inches (4.2 m) long, 30 inches (762 mm) wide and 40 inches (1016 mm) high.

The second piece of equipment GOMACO built for the All-American Canal paving train is the water stop machine. It follows directly behind the canal paver inserting the transverse water stop material every 15 feet (4.6 m).

The work bridge is the third piece of equipment in Coffman Specialties’ canal paving train. It gives finishers a platform to work from and is used to cure the finished canal. A curing mechanism is mounted to the back of the work bridge to apply the white curing compound.

Click here to learn more about the All-American Canal project.

Click here to read about the project in GOMACO World Vol. 36, No. 2.

Place Stone Base Material With The PS-2600

A PS-2600 placer/spreader was recently equipped with a rock hopper to place stone base material. It was developed for a customer who needed a machine that could carry base material, rather than pushing a pile like regular placer/spreaders. After the material placement, the machine can be converted back to a traditional PS-2600 by removing the rock hopper and attaching the concrete strike-off and belt.

More on the PS-2600 placer/spreader and the rock hopper for placer/spreaders

GOMACO equipment will slipform concrete streets and highways, airport runways, curb and gutter, sidewalks and recreational trails, safety barrier, bridge parapet and irrigation canals.

Support equipment includes grade trimmers, concrete placers, concrete placer/spreaders and texturing and curing machines. We also offer equipment to finish flat slabs, bridges, and slopes.

GOMACO will consult on equipment for large or unique concrete paving projects. Our products are offered through a worldwide distributor network for local sales, parts and service expertise.

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