Husqvarna Soff-Cut 4000 Self-Propelled Early Entry Saw 966845505 20HP Kohler Gas 13 1/2 Inch Blade Capacity Concrete Crack Control
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Husqvarna Soff-Cut 4000 20HP Self-Propelled Early Entry Concrete Saw
The Husqvarna Soff-Cut 4000 Saw is a self-propelled early entry concrete cutting machine powered by a 20.5 HP twin-cylinder Kohler gas engine designed to execute precise expansion joints in green concrete within 1 to 2 hours of finishing. Utilizing patented Soff-Cut dry-cutting technology, a hydrostatic transmission, and a 3,500 RPM bladeshaft speed, this 420 lb industrial slab saw prevents random stress cracking in heavy commercial paving projects. The machine accommodates up to a 13.5-inch maximum blade diameter for a 2.75-inch cutting depth and features electric blade depth control, a mechanical remote retractable front guide, and an electronic key start.
Best Used For:
- Commercial Concrete Paving Expansion Joints: Cutting precise control joints in freshly poured slab-on-grade concrete within 1 to 2 hours of finishing to eliminate random stress fractures.
- Industrial Warehouse Floor Installation: Slicing straight, clean dry expansion lines up to 2.75 inches deep across large square-footage commercial floors.
- Highway and Parking Structure Construction: Maintaining uniform forward cutting speed on long continuous outdoor concrete pours via hydrostatic drive.
Key Performance & Safety Features
- Patented Soff-Cut Dry Technology: Allows early entry sawing before concrete reaches final set to relieve internal stress and prevent random cracking.
- 20.5 HP Kohler CH640 Engine: Overhead-valve twin-cylinder gas engine delivers reliable 3,500 RPM bladeshaft performance under heavy load.
- Self-Propelled Hydrostatic Transmission: Provides smooth, continuous forward drive control to ensure consistent cutting speed and uniform joint depth.
- Electric Blade Depth Adjustment: Enables the operator to raise, lower, and calibrate cutting depth up to 2.75 inches electronically at the handlebar.
- Heavy-Duty Canister Air Cleaner: Protects internal engine components from high-density abrasive concrete dust for long-term jobsite reliability.
- Remote Retractable Front Guide: Mechanical remote linkage allows operators to raise or align the front tracking guide without interrupting cutting passes.
What's Included
- (1) Husqvarna Soff-Cut 4000 Self-Propelled Early Entry Gasoline Saw (966845505)
- (1) Heavy-Duty Canister Air Filter System
- (1) Integrated 4.34 Gallon Fuel Tank
Technical Specifications
| Brand Manufacturer | Husqvarna Construction Products |
| Model Number | Soff-Cut 4000 (Part # 966845505) |
| Engine Model | Kohler CH640 (Twin-Cylinder / 4-Cycle) |
| Maximum Engine Output | 20.5 HP |
| Power Source | Gasoline (4.34 Gallon Fuel Capacity) |
| Maximum Cutting Depth | 2.75 in. |
| Maximum Blade Diameter | 13.5 in. |
| Arbor Configuration | Patented Triangular Arbor |
| Average Bladeshaft Speed | 3,500 RPM |
| Drive Transmission | Hydrostatic Self-Propelled |
| Starter Mechanism | Electronic Key Start |
| Engine Oil Capacity | 2.0 qts. |
| Uncrated Product Weight | 420 lbs. |
| Assembled Dimensions | 94 in. L x 29 in. W x 34 in. H |
Pro-Tip: Install a fresh anti-ravel skid plate with every new Soff-Cut diamond blade replacement to prevent joint edge spalling and ensure smooth, clean micro-grooves in green concrete.