The Buskirk Engineering Model PM605 (often designated as the PM605 or 605 series) is a 6-inch laboratory-scale flat-die pellet mill engineered for light-capacity testing, pilot formula development, and small-batch production. Built with the same industrial-grade, case-hardened steel standards as Buskirk’s large-scale commercial mills, the PM605 is highly sought after by R&D facilities, universities, and small agricultural operations for compounding custom feed, biomass, and alternative fuel pellets. [1, 2, 3, 4]
Core Equipment Specifications
Milling Area: 6″ diameter, 1.5″ thick machined flat die plate utilizing 4″ diameter case-hardened rollers.
Drive System: Robust 5 HP grease-packed gearmotor delivering low-RPM, high-torque output.
Power Configuration: Available from Buskirk Engineering in either 3-phase or single-phase configurations, often paired with a Variable Frequency Drive (VFD) for precision speed and throughput control.
Build Materials: Sanitary, heavy-duty stainless steel upper housing and structural steel base. [1, 2, 4]

Performance & Process Advantages
Low-Thermal Processing: The high-torque, low-RPM engineering keeps internal temperatures low, preventing the degradation of essential plant nutrients, binders, or delicate chemical compounds during extrusion. [1]
High Versatility: Capable of processing challenging materials like wood sawdust, grasses, crop residues (corn stover), hemp, sugarcane bagasse, cardboard, and custom feed blends. [1, 2, 3]
Scale Testing: Seamlessly establishes processing baselines (moisture thresholds, compression ratios) that accurately mirror behaviors on Buskirk’s larger 8″, 12″, or 18″ commercial production mills. [1, 2]

Used Buskirk Engineering PM605 6-Inch Flat-Die Pellet Mill
Skip the manufacturer lead times and add reliable, high-torque pelletizing capability to your operation. We are liquidating a premium, American-made Buskirk Engineering Model PM605 6″ Flat Die Pellet Mill. Built with industrial-grade, case-hardened steel, this machine delivers commercial-grade pelleting in a compact, space-saving footprint.
It is the perfect setup for small agricultural operations, R&D labs, or universities looking to process custom animal feeds, biomass fuel development, crop residues, or material compounding tests.

Logistics:
Location: Near Tacoma, Washington
Shipping/Pickup: Local pickup. FREE ONSITE LOADING AVAILABLE. We have a large loader on-the-spot to safely place, strap, and load this unit directly onto your truck, flatbed, or trailer. No heavy lifting required on your end!