LeeBoy Chip Seal Patcher
CSP24
The LeeBoy CSP24 sprays emulsion and spreads aggregate in one pass. It carries 2,378 gal of emulsion and 12 cu yd of aggregate.

Gallery
CSP24 Images
Closner recreated these images from LeeBoy’s CSP24 brochure. See the brochure for the original photos.
Overview
Chip seal patching in one pass
The CSP24 combines an emulsion sprayer and a chip spreader on one truck. On a forward pass, the spray bar lays emulsion behind the tires. Aggregate drops from the spreader onto the fresh emulsion.
One operator controls both systems from the cab. A front camera and joystick help the operator line up a patch.
The CSP24 carries 1,058 gal more emulsion and 2 cu yd more aggregate than the CSP13. Both machines use a 15 ft spray bar.
Key Specs
- Emulsion tank
- 2,378 gal
- Aggregate hopper
- 12 cu yd
- Telescopic spray bar
- 15 ft
- Telescopic chip spreader
- 15 ft
Technical Specifications
CSP24 Spec Details
Specifications below are pulled from manufacturer materials and Closner product research. Final build details can change by chassis, configuration, and option package.
Application rates and width control
- Emulsion application rate
- 0.02 to 0.55 gal/sq yd
- Aggregate application rate
- 3.5 to 30 lb/sq yd
- Spray bar shift
- 8 in to either side
- Nozzle spacing
- 4 in
- Spreader gates
- 22 pneumatic gates, 8 in each
- Hand spray wand
- 50 ft hose
Dimensions and weight on the Kenworth T880 chassis
- Length
- 41 ft 2 in
- Width
- 8 ft 4 in
- Height
- 11 ft 11 in
- Shipping weight
- 41,132 lb
Features
CSP24 advantages
Material feed
Two conveyor belts feed aggregate to a buffer hopper as the spreader needs it. An auger directs aggregate to both sides of the spreader.
Rate control
The operator sets the application rates on a 7 in display. The controller uses truck speed to adjust emulsion and aggregate delivery.
Emulsion heating
A diesel burner heats the insulated tank. Coolant heats all three sections of the spray bar.
Cleanout from the cab
The system returns emulsion from the spray bar to the tank. The operator can then clear the system with compressed air.
FAQ
Common CSP24 Questions
How much emulsion and aggregate does the LeeBoy CSP24 carry?
The CSP24 has a 2,378 gal emulsion tank and a 12 cu yd aggregate hopper.
How wide can the LeeBoy CSP24 patch?
The spray bar and chip spreader both extend to 15 ft. The operator can select individual spray nozzles and spreader gates from the cab for narrower patches.
How much does the CSP24 weigh?
LeeBoy lists a shipping weight of 41,132 lb on a Kenworth T880 chassis. A different chassis or equipment package can change that weight.
More Rosco Models
Chip Spreader
CSV
Rosco variable-width chip spreader for chip seal and seal-coat aggregate placement with 275 HP Cummins power, 23,720 lb listed weight, and field-proven visibility.
View Model →Chip Seal Patcher
CSP13
The LeeBoy CSP13 sprays emulsion and spreads aggregate in one pass. It carries 1,320 gal of emulsion and 10 cu yd of aggregate.
View Model →Available inventory
Available LeeBoy CSP24 Inventory
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