E4B Engine - Kubota D1803-CR-E4 Workshop Manual

2. GENERAL
Production month and lot number
Month
January A0001～A9999
February C0001～C9999
March E0001～E9999
April G0001～G9999
May J0001～J9999
June L0001～L9999
July N0001～N9999
August Q0001～Q9999
September S0001～S9999
October U0001～U9999
November W0001～W9999
December Y0001～Y9999
* Alphabetical letters "I" and "O" are not used.
Example of model name and engine serial number
(a) D1803: Engine model name
(b) 7: Engine series (03 series)
(c) C: Production year (2012)
(d) U: Production month (Octo-
ber)
2-8
Engine lot number
B0001～
D0001～
F0001～
H0001～
K0001～
M0001～
P0001～
R0001～
T0001～
V0001～
X0001～
Z0001～
(e) 1237: Lot number (0001～
9999 or A001～Z999)
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
GENERAL MACHINE INFORMATION

1.2 E4B engine

(1) EU regulation engine output
classification category
Engine output
Category (1)
classification
K From 19 to 37 kW
From 37 to less
P
than 56 kW
From 56 to less
N
than 75 kW
From 75 to less
M
than 130 kW
Engine output
Category (2)
classification
Less than 19 kW
From 19 to less
than 56 kW
EF
From 56 to less
than 75 kW
From 75 to less
than 130 kW
The emission controls previously implemented in
various countries to prevent air pollution will be stepped
up as Nonroad Emission Standards continue to
1. Engine identification
(2) "E4B" engines are identified
with "EF" at the end of the
Model designation, on the
US EPA label.
"E4B" designates some In-
terim Tier 4 / Tier 4 models,
depending on engine output
classification.
EU regulation
STAGE IIIB
STAGE IIIB
STAGE IIIB
STAGE IIIB
EPA regulation
Tier 4
Interim Tier 4
Interim Tier 4
Interim Tier 4
KiSC issued 12, 2018 A