Description
Feel raw pneumatic thrust slice through concrete without engine exhaust using the Husqvarna K 40 Pneumatic Power Cutter. This air-powered handheld saw spins fourteen-inch diamond blades to cut five inches deep inside hazardous pipeline vaults. A pneumatic piston motor drives the arbor. You must supply clean oiled air from a tow-behind compressor on site.
Husqvarna constructs the powerhead from high-grade die-cast aluminum alloy paired with a steel cutting arm. The pneumatic rotary piston motor produces 4.3 HP, running at 100 PSI air pressure while consuming 100 to 125 CFM of compressed air. Unboxed tool weight totals 21.6 lbs without blade. Physical exterior dimensions measure 25 inches long by 9 inches wide by 16 inches high with an adjustable steel guard.
Key Features of Husqvarna K 40
Refinery workers and municipal utility crews buy Husqvarna K 40 air cutters to enter combustible gas spaces while checking commercial cutter pricing. Pipe crews cut concrete encasements and steel gas pipelines without throwing combustible spark showers or producing toxic fumes.
- Pneumatic drive motor operates zero-spark and zero-emission for safe cutting in hazardous refineries.
- Reversible cutting arm allows close-wall cuts along deep trench walls and concrete floors.
- Fourteen-inch blade guard clears five inches of plunge cutting depth in concrete.
- Integrated wet cutting kit delivers targeted water streams to cool segments and trap dust.
- Compact pneumatic chassis operates submerged under water for deep marine salvage cuts.
- Stepless air regulator valve on the grip handle provides precise blade rotation speed adjustments.
- Sealed ball bearings block abrasive cutting grit and pressurized wash water from entering the motor.
Pneumatic Flow Spindle Runout Tolerances
Bench testing on 100 PSI shop air lines confirms stable pneumatic motor torque under heavy drag. Blade arbor runout measures under 0.0010 inches TIR at the blade mounting collar shoulder. Under five-inch plunge cuts through aged four-thousand-PSI granite aggregate concrete, the air motor holds 3700 RPM while drawing 110 CFM of air volume. Gearhead casing temperatures stay cold at 62 degrees Fahrenheit due to expanding exhaust air. The reversible arm pivot linkage maintains rigid alignment without lateral flex under forty pounds of side thrust.
Confined Vault Ergonomics Maintenance Scope
Operating this twenty-one-pound air saw in narrow utility vaults feels nimble, though managing the thick three-quarter-inch air hose requires steady footing. The throttle trigger actuates crisp with thick rubber lineman gloves. Do not buy this air-driven saw if your jobsite lacks an industrial air compressor rated above 125 CFM at 100 PSI.
- Add air tool lubricating oil into the air inlet coupler before every work shift.
- Blow moisture and water out of compressed air hoses prior to connecting the tool.
- Flush the blade water delivery tubes with clean water after finishing concrete cuts.
Factory Warranty Manifest Packaging Terms
Husqvarna covers the K 40 pneumatic cutter with a 1-Year commercial manufacturer warranty against defects. The factory package contains the K 40 air cutter bare unit, fourteen-inch blade guard, wet cutting water hookup kit, air hose coupling adapter, combination wrench, and the printed equipment operator manual.