2750D Electric Grinder

2750D Electric Grinder


The 2750D electric horizontal grinder is ideal for operations that can take advantage of stationary or semi-stationary operations.

Powered by a single 600 horsepower (450 kW) electric motor, the Peterson 2750D 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 up to 44 inches (112 cm) high, the 2750D can reduce a diverse range of raw materials.

The 2750D features a large grate area that enables it to produce materials to exact specifications. Our quick-change multiple grate system makes it easy to customize grate configurations to produce a wide variety of finished materials.Grates are removed through an easy-access door on the side wall.

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.

2750D 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 2750D’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 and Grates 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.

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

The 2750D Standard Drum Rotor

The 2750D comes standard with a robust drum rotor.

The 2750D Optional Pinned Rotor

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

2750D Electric Grinder



Operating Length
52' 6" (16 m)
Operating Height
16' 9" (511 cm)
Operating Width
9' 1" (277 cm)
Travel Length
39' 11" (1217 cm)
Travel Height
11' 6" (191 cm)
Travel Width
9' 1" (277 cm)
Hopper Length
15' 7" (475 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)
5th Wheel Height
3' 8" (124 cm)

Estimated Weights

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


Electric Power
USA: 460 volt, 60Hz, 3-phase electric
Europe: 400 volt, 50Hz, 3-phase electric
Canada: 575 VAC converted to 460 VAC via auto transformer
Rotor Drive Motors
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)

Suspension & Towing

2, hydraulic

System Controls

Peterson Adaptive Control System
Radio Remote

Feed System

8.5 yd³ (6.5 m³)
4 sections, full hopper width
Feed Conveyor Width
4' 10" (147 cm)
Feed Opening (width x height)
60" x 32" (153 x 81 cm)
60 x 44" (153 x 112 cm)
Compression Roll Diameter (tip to tip)
28" (71 cm)


10,362 fpm (3158 mpm) @ 2100 rpm (engine)
Rotor Shaft Size
4.44" (113 mm) @ bearing, 5.75" (146 mm) @ center
Rotor Width
59.75" (152 cm)
Rotor Diameter
32" (81 cm)
Bit Size (width x height)
2.75" 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
Grate Thickness
1" (25 mm)

Discharge System

48" (122 cm)
Discharge Conveyor Height
16' 9" (511 cm)
Conveyor Speed
500, 600, or 700 fpm (152, 183, or 213 mpm)

Production* per hour

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

Optional Equipment

Feed Tailgate
Flat Feed Deck
LED Work Lights

Specifications vary based on optional equipment and machine configuration and are subject to change without notice. Measurements are rounded to the nearest whole increment.

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