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Kohler KDI 1903 TCR Generator Set

The Kohler KDI 1903 TCR is a 37 kW Diesel standby generator set powered by a Kohler KDI 1903TCR engine. It operates at 60 Hz. It holds about 8.9 L (2.4 gal) of oil and 4.2 L (1.1 gal) of coolant. The set weighs about 233 kg (514 lb).

37 kW
Standby
1.861 L
Displacement
8.9 L
Oil capacity
3
Document types

How to read your Kohler serial & model number →

Typical fuel consumption for 35–40 kW Diesel generators →

Compare with other 35–40 kW Diesel generators →

Service parts for the KDI 1903 TCR

Grouped by system, with how many of each the parts manual calls for.

Oil system

1 required
ED0053029490Oilsee priceAmazon

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power37 kW
Prime power33 kW
EmissionsTier 4 F
Oil capacity8.9 L
Dry weight233 kg
Wet weight320 kg

Engine

Kohler KDI 1903TCR
Oil capacity8.9 L
Coolant capacity4.2 L
Displacement1.861 L
AspirationTurbo+ Charge After Cooler
Rated speed1800 rpm

Maintenance & consumables

for the Kohler KDI 1903TCR
ItemSpecCapacityPart #Interval
Air filterReplace cartridges B and G when dirty, clean the inside components A and D with a damp cloth.1000 hr
Fuel filterstandby250 hr
Oil filterstandby1000 hr
Batterystandby
Beltstandby1000 hr
Coolantstandby250 hr
Oilstandby8.9 lED0053029490250 hr Amazon eBay
Spark plugstandby1000 hr

Service intervals

1
ItemActionHoursMonthsNotes
oilChange500 hrMinimum 500 hours oil change interval

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelNo 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 15 and No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 15, S 500 for mechanical models onlyASTM D 975-09 B

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What is the power rating of the Kohler KDI 1903 TCR?

The Kohler KDI 1903 TCR is rated 37 kW standby.

Which engine powers the Kohler KDI 1903 TCR?

The Kohler KDI 1903 TCR is powered by the Kohler KDI 1903TCR engine.

Is the Kohler KDI 1903 TCR diesel or gas?

The Kohler KDI 1903 TCR runs on Diesel.

What is the oil capacity of the Kohler KDI 1903 TCR?

The Kohler KDI 1903TCR engine in the Kohler KDI 1903 TCR has an oil capacity of 8.9 liters.

What is the cooling system capacity of the Kohler KDI 1903 TCR?

The Kohler KDI 1903 TCR cooling system holds 4.2 liters (1.1 US gallons) for the engine, per the manufacturer specification sheet.

What is the prime power rating of the Kohler KDI 1903 TCR?

The Kohler KDI 1903 TCR is rated 33 kW prime, against 37 kW standby.

How much does the Kohler KDI 1903 TCR weigh?

The Kohler KDI 1903 TCR has a dry weight of 233 kg (513 lb).

Troubleshooting

6

Symptoms & remedies

SymptomCauseRemedy
Warning RED light turn onEngine ECU has detect a malfunctionsContact KOHLER authorised workshops
Warning YELLOW light turn onEngine ECU has detect a malfunctionsContact KOHLER authorised workshops
The engine does not startSulphated battery terminals corrodedClean the battery terminals
The engine starts but stopsInefficient electrical connectionsClean the electrical contacts
RPM instability at idle speedClogged fuel pipesContact KOHLER authorised workshops
Low idle speedClogged fuel pipesContact KOHLER authorised workshops

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Kohler KDI 1903 TCR troubleshooting guide (18 entries) →

Parts

24
Part #DescriptionQtySystem
100-025-000Air Filter1Air filter Amazon eBay
100-030-000Oil Filter1Oil filter Amazon eBay
100-045-000Fuel Filter1Fuel filter Amazon eBay
100-060-000Coolant Filter1Coolant filter Amazon eBay
100-075-000Belt1Belt Amazon eBay
100-090-000Spark Plug1Spark plug Amazon eBay
273377Gauge, restriction1Sensor Amazon eBay
401-2567Cartridge dry-type air filter1Air filter Amazon eBay
401-2568Intake manifold hose (air filter - intake manifold)1Hose Amazon eBay
401-2569Coolant hoses1Hose Amazon eBay
401-2570Fuel line hose1Hose Amazon eBay
401-2571Alternator belt (standard alternator)1Belt Amazon eBay
401-2572Poly-V alternator belt (heavy environmental condition)1Belt Amazon eBay
401-2573Poly-V alternator belt (standard condition)1Belt Amazon eBay
401-2574Coolant (OAT)1Fluid Amazon eBay
401-2575Coolant (HOAT)1Fluid Amazon eBay
A-226955Air cleaner assembly1Air filter Amazon eBay
ED0082051340-SCOV.HEAD GASK.-OR SET 1903 TCR1Gasket Amazon eBay $89.95
GM16944Element, air cleaner1Air filter Amazon $71.53 eBay $49.68
GM22310Hose, Reducer1Hose Amazon eBay
GM66601Element, Inner1Air filter Amazon eBay $30.99
GM88850Hose, Air Intake (Item 5)1Hose Amazon eBay
401-2576ATS (Engine)1Service part / kit Amazon eBay
ED00530294902.5 Blue smoke1Service part / kit Amazon eBay

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Available documents

Engine spec — Diesel Full Line (Kohler)Engine spec — KDI Power Pack (Kohler)Engine spec — KDI Power Unit (Kohler)Engine spec — KIP KDI Power Pack (Kohler)Owner's manual — TP6915 (Kohler)Parts manual — Product Handbook EN R260 print (Kohler)Service manual — ED0053029490 UM KDI 1903 2504TCR REV 18 EN (Kohler)Service manual — Kohler KDI1903 2504 TCR EN (1) (Kohler)Service manual — OM KDI 1903 2504 TCR-TCRE5-TC Rev 22 EN (Kohler)Service manual — OM KDI 1903 TCR TCRE5 TC EN (Kohler)Service manual — TP6916 (Kohler)Service manual — instrukcja obslugi KDI 2504TCR (Kohler)

This page was generated from the 12 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

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