Components
|
National
|
Nelson
|
Spray Nozzle |
Removable Threaded Brass, Optional Mist Nozzle |
Non-Removable Plastic |
Spray Arms |
Aluminum, Optional Brass |
Aluminum Only |
Spray Arm Nuts |
Brass |
Plastic |
Impeller Tee |
Brass |
Plastic |
Impeller Shaft |
Brass |
Plastic |
Drive Gear |
Steel |
Plastic |
Drive System |
Single Nylon Gear, Optional Steel Gear |
Complex Mechanism of 9 Plastic Gears |
Drive Principle |
High Torque from Drive Wheel Tread |
Low Torque from Axle |
Drive Wheels |
Cast Iron |
Plastic |
Wheel Retainers |
Quarter-inch Set Screws |
Pressure Metal Caps |
Front Wheel |
Cast Iron |
Plastic |
Major Components |
All Steel, Except Nylon Drive Gear (Steel Available) and Hose Assembly |
Nearly All Plastic |