Rayco RG1645S Copyright © 2012 Rayco Mfg - All Rights Reserved
Printed in U.S.A.
Service Section
46
Hydraulic System
Pump Displacement: 4.27cc / 2cc Minimum
Pump Gallonage: 3.4 / 1.6 GPM @ 3000 RPM Minimum
System Pressure Relief: 3500 PSI Minimum
Oil Filter: 10 Micron Full Flow
Hydraulic Reservoir: 2 Gallons
Oil Type: ISO 46
Valving: (1) Single Function, (1) 3 Function Monoblock Spring-Centered Series
Command Cut: Swing speed control and horsepower optimizer
Lift Cylinders: (2) 2 ½” bore x 4” stroke, 1.25” rod
Swing Cylinders: (2) 2” bore x 6” stroke, 1.125” rod
Blade Cylinder: (1) 2” Bore x 10” Stroke, 1.125” rod
Steer Cylinder: (1) 2” Bore x 4” Stroke, 1.25” rod
Hydraulic Wheel Drive: (4) 335cc, ccw hydraulic motor, (2) with Integrated Brake
Fittings: O-ring faced seal
Cutting Wheel
Wheel Diameter: 20” Maximum
Wheel Thickness: 1-1/2” Minimum
Cutting Wheel Bearings: 1 3/4” diameter Pillow Block Minimum
Hub: Bolt-in required
RPM: 900 @ 3000 engine RPM
Primary Drive: Clutch to 90deg. Gear box
Drive Chain: No. 60 chain
Cutting Teeth: RAYCO Super tooth™ forged,
One-piece, with tungsten carbide tips.
Cutter Teeth Quantity: 24 Maximum
Belt Guard: Steel, one piece
Chip Retaining Curtains: Fold Down, Fabric impregnated rubber
Cutter Wheel Engagement: Electromagnetic with “Quick Stop” brake system
*Specifications are subject to change with revi-
sions and/or build dates. All specifications listed
are current with this publication. Please note,
listed specifications may differ from your machine
if this re-printed manual.
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