2750C Electric Grinder

2750C Electric Grinder


The 2750C electric horizontal grinder is ideal for operations that can take advantage of stationary or semi-stationary operations. Powered by a single 400, 500, or 600 horsepower (300, 375, or 450 kW) electric motor, the Peterson 2750C Electric Horizontal Grinder has plenty of power. Since electric power costs are typically much lower than diesel fuel costs, electric power may just be the answer for increasing your profits. With a feed opening of 60¾ x 32 inches (154 x 81 cm) combined with Peterson’s high lift feed roll for an optional opening of up to 44 inches (112 cm) high, the 2750C Electric Horizontal Grinder can reduce a diverse range of raw materials.

Our quick-change multiple grate system makes it easy to customize grate configurations to produce a wide variety of finished materials.

Uncertain about your power source requirements? Our experienced engineers can evaluate your operations. Peterson offers a choice of soft-start or Variable Frequency Drives (VFDs) for the best integration with your electrical power source.

Since 1981, Peterson has specialized in the developing of delivery and processing equipment that turns low-grade organic materials into high value products.

2750C Electric Grinder


The Siemens PLC Control System

Easily monitor system performance. The fully integrated, industrial grade Siemens PLC interface is user-friendly and customizable to your application.

The Impact Release System Protects Your Investment

Peterson’s patented Impact Release System’s air bags provides uniform grinding and protection from contaminated feedstock, a feature unique to Peterson grinders.

Maximum Strength With A High Torque Electric Motor

The 2750B’s industrial grade electric motors have a rugged cast-iron frame and a dynamically balanced die-cast aluminum rotor for durability and long wear.

Heavy-Duty Feed Chain

Features heavy duty feed chains to ensure a lasting product.

Use Peterson Bits for The Best Quality Product

Peterson offers a wide variety of durable and long-lasting bits that enables you to produce exactly the products your customers demand.

Use Peterson Grates for The Best Quality Product

Peterson offers a wide variety of durable, long-lasting grates to enable you to produce exactly the products your customers demand.

The 2750C Standard Drum Rotor

The 2750C comes standard with a robust drum rotor.

The 2750C Optional Pinned Rotor

The 2750C can also come equipped with an optional pinned rotor for tougher or contaminated materials.

2750C Electric Grinder



Operating Length
52’-6” (16 m)
Operating Height
16’-9” (511 cm)
Travel Length
39’-11” (1217 cm)
Travel Height
11’-6” (191 cm)
Operating/Travel Width
9’-1” (277 cm)
Hopper Length
15’-7” (475 cm)
Hopper Width
4’-10” (147 cm)
Hopper Height
6’-3” (272 cm)
Front to 5th Wheel
5’-11” (180 cm)
5th Wheel to Center Axle
26’-7” (810 cm)
Axle Spacing
2’-6” (76 cm)
5th Wheel Clearance Radius
6’ (183 cm) radius
Operating 5th Wheel Height
3’-8” (124 cm)


Machine Weight*
Approx. 54,000 lbs (24 500 kg)
Tandem Weight*
Approx. 33,000 lbs (14 970 kg)
*depending on configuration


Electric Power
USA-460 volt, 60Hz, 3-phase electric
Europe-400 volt, 50Hz, 3-phase electric
Canada-575 volt, 60Hz, 3-phase electric
Rotor Drive Motors
crusher duty, 400 hp (300 kW)
crusher duty, 500 hp (375 kW)
crusher duty, 600 hp (450 kW)
Auxiliary Motor (for hydraulic functions)
High efficiency 100 hp (75 kW)
Hydraulic Tank Capacity
100 US gal (379 L)

Feed System

8.5 yd³ (6.5 m³)
4 sections, full hopper width
Feed Opening (width x height)
60 3/4 x 32” (153 x 81 cm)
60 3/4 x 44” (153 x 112 cm)
Compression Roll Diameter (tip to tip)
28” (71 cm)


Rotor Shaft Size
4 7/16” (113 mm) @ bearing, 5 3/4” (146 mm) @ center
10,362 fpm (3158 mpm) @ 2100 rpm (engine)
Rotor Width
59 3/4” (152 cm)
Rotor Diameter
32” (81 cm)
Bit Size (width x height)
2 3/4 x 5” (70 x 127 mm)
Number of Bits
20 Drum Rotor, 18 Pinned Rotor, 30 ASG Rotor


Number of Grate Sections
Total Grate Area
3024 in² (19 509 cm²)
Grate Coverage
180 degrees
Grate Thickness
1” (25 mm)

Discharge System

48” (122 cm)
Conveyor Speed
500, 600, or 700 fpm (152, 183, or 213 mpm)

Production (with one 600 hp motor)

264 yd³/77 US tons (201 m³/70 metric tons) per hour
323 yd³/55 US tons (247 m³/50 metric tons) per hour
Actual output may vary due to moisture content, material density, material size, support equipment, and grate size. Production rates are based on grinding 50 minutes per hour.

Optional Equipment

requires cross belt magnet
Hopper Height Extension

Specifications subject to change without notice.

2750C Electric Grinder


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