Built-In Dynamic Balancer (Balancer Model Only; Half-Floating Head Cover - Kubota D1503-M-DI Workshop Manual

03-M-DI Series, WSM

[3] BUILT-IN DYNAMIC BALANCER (BALANCER MODEL ONLY)

[4] HALF-FLOATING HEAD COVER

Engine are sure to vibrate by piston's reciprocation.
Theoretically, three-cylinder engines are much less
prone to cause vibration than four-cylinder ones (second
inertia, etc.). However, any engine has many moving
parts in addition to its pistons and cannot be completely
free from vibration.
The four cylinders engine V2203 and V2403 can be
fitted with balance weight on crankcase to absorb the
second inertia mentioned above and reduce vibration.
This engine is internally provide with two balancers
(1), one at the suction side and the other at the exhaust
side.
(1) Balancer
The rubber packing (2) is fitted in to maintain the
cylinder head cover (1) 0.5 mm or so off the cylinder
head. This arrangement helps reduce noise coming from
the cylinder head.
(1) Cylinder Head Cover
M-2
DIESEL ENGINE
W1013221
(2) Rubber Packing
W1013327
KiSC issued 10, 2009 A