Small Reversibles

Industry's lowest maintenance reversible plates...mechanical shifting

The GPR 65, 68 & 77 Seriesare compact reversible plates ideal for narrow trenches and confined areas.

Heavy Duty Shifting
The heavy duty mechanical shifting mechanism allows for directional changes at constant speed. Endurance testing was terminated at 400,000 shifts without system failure - the best result MBW (and very likely any manufacturer) has ever achieved on a reversible plate shifting design.

The GPR65 and GPR68 are also high production plates. Travel speeds to 92 ft/min are achieved with good compaction conditions and the plates move with ease over irregular lift surfaces. Head-to-head competitive demonstration quickly establishes the comparative productivity benefits of the GPR65 and GPR68.

The GPR77 is a 400 pound reversible plate. The simple yet reliable shifting design lowers acquisition cost, is low maintenance and provides a geo-technical benefit in its ability to shift travel direction at constant speed. The GPR77 produces an amplitude of .095 inches, travels up to 85ft/min and handles all types of essentially granular soils.

To determine amplitude for a reversible plate use our:
Vibratory Plate Amplitude Calculator

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GPR65 GPR68 GPR77H GPR77D
Engine Option Honda GX160 9.9 cu in
(163 cm3)
Honda GX160 9.9 cu in
(163 cm3)
Honda GX270 16.5 cu in
(270 cm3)
Hatz 1B20
Operating Weight 325 lb (148 kg) 330 lb (150 kg) 397 lb (180 kg) 399 lb (181 kg)
Plate Size WxL 15 x 26 in (38 x 66 cm) 18 x 26 in (46 x 66 cm) 22 x 26 in (56 x 66 cm) 22 x 26 in (56 x 66 cm)
Amplitude .072 in (1.83 mm) .071 in (1.80 mm) .066 in (1.68 mm) .066 in (1.68 mm)
Centrifugal Force** 6000 lb (27 kN) 6000 lb (27 kN) 7775 lb (35 kN) 7775 lb (35 kN)
Exciter Speed 4400 vpm 4400 vpm 4725 vpm 4725 vpm
Compaction Depth* Up to 22 in (56 cm) Up to 22 in (56 cm) Up to 22 in (56 cm) Up to 22 in (56 cm)
Travel Speed Up to 92 ft/min (29 m/min) Up to 88 ft/min (27 m/min) Up to 86 ft/min (26 m/min) Up to 86 ft/min (26 m/min)
Compaction Area 6900 sqft/h (640 sqm/h) 7920 sqft/h (736 sqm/h) 9460 sqft/h (872 sqm/h) 9460 sqft/h (872 sqm/h)