Kubota L3901 User Manual

agent, sludge may build up, adversely affecting the
engine parts.
• Service
life
of KUBOTA's genuine long-life coolant
is 2 years. Be sure to change the coolant every
2000 hours or every 2 years whichever comes
faster.
*1 At 1.013×10
5
Pa (760 mmHg) pressure (atmospheric). A
higher boiling point is obtained by using a radiator-pressure-
cap which permits the development of pressure within the
cooling system.
SERVICE EVERY 3000 HOURS
1. Checking the supply pump
• Consult your local KUBOTA Dealer for checking the
supply pump
2.
Checking and cleaning the EGR
system
• Consult your
local KUBOTA Dealer for checking
and cleaning the EGR system.
3. Cleaning the DPF muffler
Removal of ash
The longer
the DPF operates, the more ash (burnt
residue) is collected in the filter. Too much ash build-up
adversely affects the DPF performance.
• Consult your local KUBOTA Dealer to clean the
filter.
IMPORTANT :
– The DPF needs to be cleaned with a specific
cleaning device. Do not disassemble the
DPF for cleaning or attempt to clean it
yourself. Consult your local KUBOTA Dealer.
SERVICE EVERY 1 YEAR
1. Checking the fuel line
WARNING
To avoid personal injury or death:
•
Be sure to stop the engine and remove the
starter key before changing the fuel line.
• Check the fuel lines periodically. The fuel lines
are subject to wear and aging. Fuel may leak
out onto the running engine, causing a fire.
1. Check to see that all lines and hose clamps are
tight and not damaged.
2.
If the hoses and the hose clamps are found worn or
damaged, replace or repair them at once.
(1) Fuel lines (2) Clamp bands
NOTE :
• If
the
fuel line is removed, be sure to
properly bleed the fuel system.
(See Bleeding the fuel system on page 122)
(1) Fuel shutoff-valve (A) Close
(B) Open
2. Checking the intake air line
WARNING
T
o avoid personal injury or death:
•
Stop the engine and remove the starter key
before changing the intake-air-line.
1. Check to see that the hoses and hose clamps are
tight and not damaged
SER
VICE EVERY 3000 HOURS PERIODIC SERVICE
L3301,L3901
119

Kubota L3901 Specifications

General

Engine Type	Diesel
Engine Horsepower	37.5 HP
3-Point Hitch	Category I
Weight	2, 623 lbs (Gear Drive), 2, 778 lbs (Hydrostatic)
Displacement	111.4 cu in
Cylinders	3
Displacement (cu in)	111.4
Hydraulic System Type	Open center
Width	55.1 inches
Transmission Type	Gear or HST
Fuel Capacity	11.1 gal
Gears	8 forward, 4 reverse (Gear)
Number of Gears	8 forward, 4 reverse
Fuel Tank Capacity	11.1 gal
Lift Capacity at 24"	1433 lbs
Height	91.7 inches
Tire Size (Front)	7-16
Tire Size (Rear)	11.2-24
Engine Model	D1803