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1924 Mason RoadKing

Special Features

  • Available in two lengths: 130 inches and 150 inches.
  • Extra large radiator

Combination Stake Body



Dump Body with Wood Hydraulic Hoist



Full Panel Body



Side Express Body



Six-Post Top Express Body

Available Custom Built Bodies

  • Combination Stake Body
  • High Front Stake Body
  • Full Stake Body with Sign Boards
  • Heavy Duty Beef and Provision Body
  • Open Express Body
  • Open Express Body with Slat Rack
  • Dump Body with Wood Hydraulic Hoist
  • Panel Side Express Body
  • Full Panel Body
  • Six-Post Top Express Body
  • Six-Post Top Screen Body

Specifications

ENGINE
N.A.C.C. horsepower rating, 25.6. Maximum horsepower, 46. "L" head. Four cylinders cast in block. Bore and stroke, 4" x 5". Removable cylinder head. Valves easily accessible and entirely enclosed, operating in bath of oil vapor.
ENGINE LUBRICATION
Force feed, gear pump. Bayonet type oil gauge which shows not only quantity by quality of oil in crankcase.
COOLING SYSTEM
Positive water circulation by pump. Extra large radiator. Hand operated fan belt adjustment with very wide belt.
GASOLINE SUPPLY
Round tank on dash; capacity, 10-1/2 gallons; gravity feed.
CARBURETOR
Johnson float feed automatic type.
CLUTCH
Duplex type with 10" discs. Clutch is removable without disturbing motor or transmission, and is unusually accessible.
TRANSMISSION
Sliding selective type, three speeds forward and one reverse.
DRIVE
Shaft drive with double universal joints and spring cushioned torque arm.
FRONT AXLE
Drop-forged I-beam with integral yokes. Gilliam tapered roller bearings, extra size all around.
REAR AXLE
Full floating type of Mason design, special heavy duty type. Spiral bevel gears. Gilliam heavy duty bearings extra size.
STEERING GEAR
Irreversible, with 18" wheel; easy to operate.
BRAKES
2-3/4" x 14" service brake, external contracting, operated by foot; 2-3/4" x 14" internal expanding emergency brake operated by hand lever.
SPRINGS
Semi-elliptic. The front springs in the 130" wheelbase chassis are 38" x 2"; rear, 40" x 2-1/2". In 150" wheelbase chassis; front, 38" x 2"; rear, 40" x 2-1/2".
WHEELS
Heavy duty truck, artillery type; heavy duty demountable rims.
TIRES
34" x 5" pneumatic cords, all around.
WHEELBASE
Two lengths: 130" and 150".
TREAD
56 inches.
WEIGHT
Weight of 130" chassis with hood and fenders, 2950 pounds.
CHASSIS
Length from dash to end of frame, 131-1/4" on 130" wheelbase chassis. Length from dash to end of frame on 150" chassis, 176". Width over all, 66".
STARTING, LIGHTING, IGNITION
Auto-lite. Starting motor has Bendix drive, attached to enclosed flywheel; free from dirt.
STANDARD EQUIPMENT
Electric starting and lighting system. Storage battery. Head lights, tail light, dash light, speedometer, ammeter, electric horn, radiator guard, front bumper, complete set of tools, including pump and powerful jack.

References