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Graco GrindLazer HP DC1538 G DCS Self-Propelled Gas-Powered Scarifier, High-Speed Pulley Kit
The Graco GrindLazer HP DC1538 G DCS Self-Propelled Gas-Powered Scarifier, High-Speed Pulley Kit is a heavy-duty, high-production walk-behind scarifier designed for aggressive concrete and asphalt surface preparation. Built for demanding commercial and industrial applications, this machine combines a powerful 38 HP Kohler® EFI gasoline engine, Graco’s electronic Depth Control System (DCS), and a 16-inch cutting width to deliver high material removal rates with precise depth control and reduced operator fatigue. The High-Speed Pulley Kit is optimized for diamond and PCD cutters, making it ideal for coating removal, profiling, grooving, and large-scale surface preparation.
Product Information
The DC1538 G DCS is engineered for high-production surface removal tasks where speed, consistency, and control are critical. Its self-propelled hydrostatic drive system allows operators to fine-tune travel speed based on surface conditions and application requirements, improving productivity while reducing strain during extended use.
The integrated electronic DCS (Depth Control System) eliminates manual depth guessing by allowing precise cutter adjustment without stopping the machine. Operators can set a zero reference point and adjust cutting depth in 0.01-inch increments through the control interface, with real-time depth feedback for consistent results across large surfaces. (Graco)
Powered by a 38 HP Kohler® EFI gasoline engine with electric start, the unit delivers reliable performance for tough jobsite conditions. Its heavy-duty steel frame, low-vibration design, and sealed long-life bearings are built to withstand continuous industrial use. A quick-change side plate simplifies drum removal and maintenance, while the integrated vacuum port supports dust control systems such as Graco LazerVac™.
Common Applications and Uses
The GrindLazer HP DC1538 G DCS is commonly used for:

Concrete scarifying and surface profiling

Asphalt milling and surface preparation

Coating removal (epoxy, paint, polyurea, polyurethane)

Surface leveling and correction

Concrete grooving and texturing

Bridge deck preparation

Parking structure restoration

Airport runway and taxiway maintenance

Highway and roadway rehabilitation

Industrial flooring restoration

Warehouse floor preparation

Expansion joint and overlay prep

Waterproofing membrane removal

Large-scale infrastructure maintenance

Commercial and industrial slab preparation

Technical Specifications

Specification
Details

Manufacturer
Graco

Product Name
GrindLazer HP DC1538 G DCS Self-Propelled Gas-Powered Scarifier, High-Speed Pulley Kit

Manufacturer Part No.
25P474

Power Source
Gasoline

Engine
Kohler® EFI, 38 HP

Starting System
Electric Start

Drive System
Variable-speed hydrostatic self-propelled

Cutter Type
Drum

Cutter Drum Diameter
10 in (254 mm)

Maximum Cutting Width
16 in (406 mm)

Production Rate
Up to ~3,500 sq ft/hour*

Depth Control
Electronic DCS (0.01 in increments)

Vacuum Port
Yes

Frame
Heavy-duty all-steel chassis

Pulley Kit
High-speed (diamond & PCD optimized)

Features

High-production self-propelled design for large surface areas

38 HP Kohler® EFI gasoline engine with electric start

Electronic Depth Control System (DCS) for precise depth adjustment

Real-time depth display with programmable zero point

Adjusts cutting depth in 0.01-inch increments

Variable-speed hydrostatic drive for operator control

High-speed pulley kit optimized for diamond and PCD tooling

16-inch maximum cutting width for high output

Quick-change side plate for fast drum maintenance

Heavy-duty steel chassis for durability

Low-vibration design for improved operator comfort

Long-life sealed bearings for extended service life

Integrated dust port compatible with LazerVac™ systems

Designed for aggressive removal and surface profiling applications

Compatible Applications
This machine is suitable for concrete and asphalt surfaces in industrial plants, warehouses, airports, highways, bridges, parking structures, municipal infrastructure, distribution centers, and commercial flooring projects requiring fast, controlled material removal and surface preparation.
Standard Equipment
The GrindLazer HP DC1538 G DCS typically includes the scarifier unit, 38 HP Kohler® EFI gasoline engine with electric start, High-Speed Pulley Kit, electronic DCS controller system, hydrostatic drive system, heavy-duty steel frame, quick-change side plate, integrated vacuum port, and operator documentation.
Brand:GrindlazerSKU:25P474Tags:Concrete Scarifiers