





Features
Standard features on the Crack Pro Mastic Machine
Diesel-Powered Heating System
- The Crack Pro Mastic Machine features a diesel engine and diesel-fired heating system, eliminating the need for propane while delivering dependable performance.
Fast Heat-Up Oil-Jacketed Kettle
- The 300-gallon oil-jacketed kettle reaches operating temperature in approximately 2.5 hours from a cold start while providing forced material discharge for consistent material flow.
Heavy-Duty Agitation System
- Designed specifically for aggregate-filled mastic materials, the hydraulic planetary agitation system delivers exceptional torque to ensure thorough mixing.
- Built-in safety interlocks help protect both the operator and the equipment.

Efficient Hydraulic System
- The hydraulic system is engineered to operate at low temperatures to reduce wear and maintenance.
Diesel Tool Box Heater
- The diesel-fired tool box heater keeps application tools hot and ready for use throughout the workday.
- An automatic shutoff helps prevent overheating while reducing unnecessary fuel consumption.
Maintenance-Friendly Design
- Built with serviceability in mind, the machine features a 600-degree-rated rear bearing, internally lubricated packing gland with grease ports and easy access to burners, engine, drive system and other routine maintenance points.
Waterproof Control Panel
- The waterproof control panel houses the Crack Pro’s proven operating system and includes:
- Burner temperature controllers for accurate material temperatures.
- Integrated safety interlocks
- Forward and reverse agitation controls
- Work and strobe lights
Heavy-Duty Trailer
- Built on a tandem-axle trailer with dual 6,000-lb. axles, an adjustable pintle hitch, battery-powered break-away system and LED lighting package for dependable towing and jobsite stability.
Long Runtime
- The 30-gallon fuel tank provides approximately 15 to 25 hours of operation between fill-ups, helping crews stay productive throughout the workday.
Overnight Heaters
- Overnight heaters help reduce startup time by maintaining material temperature, allowing crews to begin work faster the next day.

Heavy-Duty Knife Discharge Valve
- A heavy-duty 6-inch adjustable knife valve is designed to cut through aggregate-filled mastic material, providing smooth and reliable discharge.
Heated Discharge Chute
- The heated discharge chute remains hot without propane or circulating hot oil, reducing fire risk when the machine is idle.
- The chute can also be quickly removed for use with wheeled or hand-held applicators.
- The machine comes standard with a chute extension that adds approximately 12 inches, allowing material to be dispensed approximately 48 inches from the discharge valve.

Pail Heater
- The built-in pail warmer quickly melts material, keeping application material ready for use throughout the workday.


Heated Adjustable Locking Chute

Plow-Point Agitation

Internally Lubricated Packing Gland with Drip Catch Pan

Pail Heater

Tool Rack

Full Light Kit

Anti-Splash Loading Hatch

Diesel-Fired Beckett Burner

Digital Control Panel

Built for CrackMaster Mastic
Pair the Crack Pro Mastic Machine with SealMaster’s line of CrackMaster Mastic products for a complete pavement repair solution. Available in a variety of formulations, CrackMaster Mastic is designed for repairing large cracks, bridge joints, utility cuts, manhole cover areas, plug joints and other distressed pavement while providing long-lasting, flexible repairs.
When paired together, CrackMaster Mastic and the Crack Pro Mastic Machine deliver a complete solution for professional-grade pavement repairs.
Optional features
Custom Built to Fit Your Needs

Arrowboard
Improve work zone visibility by adding an optional arrow board to the lighting package.

Wheeled Applicator
Increase operator comfort and improve material placement during larger mastic repair projects.
Hydraulic Hitch-Tilt System
Simplify hookup and trailer leveling with an optional hydraulic hitch-tilt system.
Mastic Tools & Accessories

Included Mastic Tools
- Two ¼” x 4” x 18” Flat Irons
- ¼” x 3” x 15” x 8” Box Iron
- Chute Cleaner
- Scraper / Plug Remover
- 6” x 8” Box Iron
- Metal Pail

Optional Mastic Tools
- 3/8” x 4” x 18” Flat Iron
- 6” x 6” Box Iron
- 8” x 8” Box Iron

Optional Drag Boxes
- 10”
- 12”
- 18”
- 24”
Specifications
SealMaster
Crack Pro Mastic Machine
Oil-Jacketed Melter Applicator
Dimensions
| Height (with light kit) | 108″ |
|---|---|
| Loading Height | 60″ |
| Width | 82″ |
| Length | 212″ |
| Weight | 5,860 lbs. |
Tank & Heating System
| Tank Capacity | 300 gallons |
|---|---|
| Heat Transfer Oil | 42 Gallons |
| Construction | Oil-Jacketed |
| Temperature Control | Digital |
| Maximum BTU Input | 372,000 BTU |
| Tank Opening | 16″ x 24″ |
| Insulation | 1 1/2″ |
| Agitation System | Foward / Reverse Plow – Point Forced Discharge |
| Pail Heater Opening | 16″ x 16″ x 16″ |
| Heating System | Diesel Burner |
Trailer
| Suspension | Tandem Axles |
|---|---|
| Axles | Dual 6,000 lb. |
Flexible Buying Options
Equipment Rentals
Try the Crack Pro Mastic Machine before you buy. Ask about available rental options to experience the performance of SealMaster’s industry-leading equipment.
Financing Options
Get the equipment you need without the upfront burden. Attractive financing options are available to help you continue growing your business.
Trusted by Contractors, Municipalities and DOTS Nationwide
Unlike others in the industry, SealMaster has the largest dedicated dealer network providing local expertise, service and parts availability when you need it. From startup contractors to established crews, SealMaster is built to support your operations at every stage.


