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The GOMACO GP348 puts a high-production placer/spreader and a four-track GP3 slipform paver on a single chassis. The 48 in. (1219 mm) conveyor places concrete up to 36 ft. (10.97 m) wide, and the integrated GP3 slipforms up to 30 ft. (9.14 m) wide, so one machine meters the concrete onto the grade and paves it in a single pass. G+ controls interface with stringline or 3D machine guidance.
The whole unit runs on four tracks for job-site mobility and minimum-clearance access, and the undermounted conveyor sits between the tracks and folds up to let haul trucks pass. Highlights include a 302 hp (225 kW) Cat C7.1 Tier 4 Final engine and 88,900 lbs. (40,325 kg) operational weight.
The strike-off is what ties the two machines together. Its height is set by smart cylinders independent of the prime mover, so it meters the depth of concrete without raising or lowering the whole machine. Add the optional sonic sensor system and the strike-off talks to the paver over Machine-to-Machine communication, feeding G+ a constant read on placed depth so it holds an even head of concrete in front of the mold. A dual-drive, reversible 20 in. (508 mm) auger with hard-faced flighting moves material to the centre or the edges across the strike-off.
Get More InfoFinancingTechnical SpecsApplication: Concrete Paving
Manufacturer: GOMACO
Configuration: Mobile (Tracked)
Model: UHPC Paver
New/Used: New

The GP348 places and paves in a single operation. A high-production placer/spreader meters concrete across the grade up to 36 ft. (10.97 m) wide, and the four-track GP3 built onto the same chassis slipforms it up to 30 ft. (9.14 m). One machine and one crew do the work of a separate placer and paver running in sequence.
The 48 in. (1219 mm) conveyor is made to take end-dump loads. A rubber seal runs down the dumping side and a metal backboard down the other to limit spillage, and both swap sides to match the haul road. Automatic pressure-compensated tensioning adjusts the belt to the haul road’s height, and a dual-stage wiper keeps it clean.
The strike-off meters concrete depth on its own smart cylinders, independent of the prime mover, so placement depth changes without moving the whole machine. Add sonic sensors and it feeds placed-depth data to the paver’s G+ system over Machine-to-Machine communication, holding an even, consistent head of concrete in front of the mold pass after pass.
The full GP348 transports on a single semi tractor-trailer with the placing belt and strike-off attached. Rotary-sensored slew drives on the leg pivots let one operator rotate the legs to transport position in minutes, the belt folds to a 30-degree angle, and a retractable sliding console brings the shipping width down to 11.7 ft. (3.57 m).
GOMACO has built concrete paving equipment out of Ida Grove, Iowa since 1965 and holds ISO 9001:2015 certification. The paving line covers widths up to 50 feet (15.2 m) and depths to 19 inches (483 mm), and the same machines run on interstate mainline, airport runways, city streets, and canal work around the world.
G+ is proprietary, developed by GOMACO’s own control engineers rather than adapted from an off-the-shelf platform. It uses two-way communication between the paver and its accessories, closed-loop electronic and hydraulic control, and instant digital feedback. Contractors moving up from a GP-4000 can carry their existing attachments and sensors straight onto a new GP4.
GOMACO is still owned and run by the family that started it. Harold and Gary Godbersen founded Godbersen Manufacturing Company in 1965, and a third generation of the family is in the business today. Roughly 350 people build every machine in Ida Grove, Iowa, across more than 500,000 sq. ft. (46,450 m²) of plant, office and engineering space.
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