HISTORY OF TRUCK LOGGING 5
First use of motor truck in logging--Development of logging
trailer--Possibilities in the use of motor trucks.
TRANSPORTATION OF LOGS--RAILROADS VERSUS MOTOR TRUCKS 7
Comparative advantages and uses of motor trucks and railroads--
Relative cost of road construction--Advantage of flexibility of
motor trucks.
COSTS 8
Operating costs of a typical 5-ton truck--Actual cash outlay--
Total expense--Variable charges--Recapitulation of work
performed.
ROLLING STOCK EQUIPMENT 10
Rigid versus flexible truck bodies--Chain drive versus worm
drive--Weight of trucks--Speed--Depreciation.
INSURANCE 14
Fire and theft insurance--Collision insurance--Liability
insurance--Property damage insurance.
TRUCK EQUIPMENT 14
Bunks--Tires--Relative advantages of different types of tires
--Laws governing operation of motor vehicles--Legal limit of
weight of load--Chain drives--Tops.
TRAILERS 17
Draw-bar pull of motor trucks--Effect of grades on draw-bar
pull--Advantage of trailer--Description of trailer--Brakes on
trailer--Air brakes on trailers.