HomeJohn DeereJohn Deere 4045TF120

John Deere 4045TF120 Generator Set

The John Deere 4045TF120 is a 67 kW (67 kVA) Diesel standby generator set powered by a John Deere 4045TF120 engine. It is available at 240 V, 1-phase, 60 Hz and rated 279 A. It holds about 13.5 L (3.6 gal) of oil and 23.6 L (6.2 gal) of coolant, with a maximum ambient rating of 105 °C. Starting uses 1 group-12 battery at 12 V. The set measures 1870×994×1360 mm (73.6×39.1×53.5 in), weighs about 1150 kg (2535 lb) and produces 74 dBA at 23 m. An integrated tank holds 112 L (29.6 gal). The same 4045TF120 engine also powers generator sets from Kohler and SDMO.

67 kW
Standby
4.5 L
Displacement
13.5 L
Oil capacity
1
Document types

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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power67 kW
Standby kVA67
Prime power61 kW
Oil capacity13.5 L
AlternatorLeroy-Somer LSA 44.2 VS45
Voltage options240 V
Phase1
Rated current279 A
Power factor1
Circuit breaker279 A
Battery group12 V
Battery voltage12 V
Battery quantity1
Coolant capacity23.6 L
Max ambient105 °C
Dimensions (L×W×H)1870×994×1360 mm
Dry weight1150 kg
Sound level74.0 dBA @ 23 m
Fuel tank112.0 L

Engine

John Deere 4045TF120
Oil capacity13.5 L
Coolant capacity17.2 L
Displacement4.5 L
AspirationTurbocharged
Rated speed1500 rpm

Maintenance & consumables

for the John Deere 4045TF120
ItemSpecCapacityPart #Interval
Air filterDry type air filter find
Fuel filterFuel System find
Oil filterOil Pressure low idle find
BeltSkid and vibration isolators find
CoolantCoolant System23.6 L

Compatible filters for the John Deere 4045TF120 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: John Deere AL204809 John Deere T138857 John Deere AR79680 John Deere T46316 John Deere 952239
  • Fuel filter: John Deere AE29052 John Deere AR29586R John Deere AR50041 John Deere DQ24057 John Deere MX85749
  • Oil filter: John Deere RE519987 John Deere DZ112582 John Deere DZ118286 John Deere 40123 John Deere AR58956

Common questions

What is the power rating of the John Deere 4045TF120?

The John Deere 4045TF120 is rated 67 kW standby (67.0 kVA).

What engine does the John Deere 4045TF120 use?

The John Deere 4045TF120 is powered by the John Deere 4045TF120 engine.

What fuel does the John Deere 4045TF120 use?

The John Deere 4045TF120 runs on Diesel.

What is the oil capacity of the John Deere 4045TF120?

The John Deere 4045TF120 engine in the John Deere 4045TF120 has an oil capacity of 13.5 liters.

What alternator does the John Deere 4045TF120 use?

The John Deere 4045TF120 uses a Leroy-Somer LSA 44.2 VS45 alternator.

What oil filter does the John Deere 4045TF120 use?

The John Deere 4045TF120 uses oil filter part numbers JOHN DEERE RE519987, JOHN DEERE DZ112582.

What fuel filter does the John Deere 4045TF120 use?

The John Deere 4045TF120 uses fuel filter part numbers JOHN DEERE AE29052, JOHN DEERE AR29586R.

What air filter does the John Deere 4045TF120 use?

The John Deere 4045TF120 uses air filter part numbers JOHN DEERE AL204809, JOHN DEERE T138857.

Fuel consumption

RatingLoadL/hgal/h
Prime50%2.8
Prime75%14.53.8
Prime100%19.05.0
Standby100%20.55.4

Available documents

Owner's manual — TP6678 (John Deere)Owner's manual — TP6683 (John Deere)