The John Deere 3029DF120 is a 2.9 L 4-cylinder natural aspiration engine rated at 1500 rpm. It powers generator sets from AKSA, John Deere and SDMO, including the AD22, AD27, JM30U and J30. It holds 8 L (2.1 gal) of oil and 10.6 L (2.8 gal) of coolant.
Also known as: John Deere 3029DF120
Part of the John Deere 3029 engine family — 26 variants share parts & fitment.
| Oil capacity | 8.0 L |
|---|---|
| Coolant capacity | 10.6 L |
| Displacement | 2.9 L |
| Cylinders | 4 |
| Aspiration | natural aspiration |
| Rated speed | 1500 rpm |
Shared across brands: AKSA, John Deere, SDMO
| Part # | Description | Category |
|---|---|---|
| 010419 | Air filter | air_filter |
| RE509106 | ALTERNATOR (14V, 65A) (3132) | alternator |
| RE544045 | ALTERNATOR (28V, 50A) (3131) | alternator |
| SE501346 | ALTERNATOR (REMAN FOR AL81436 OR AL207585) (14V, 55A) | alternator |
| SE501372 | ALTERNATOR (REMAN FOR TY6686) (12V, 78A) | alternator |
| SE501828 | ALTERNATOR (REMAN FOR RE506197 OR RE509106) (12V, 55A) | alternator |
| SE501835 | ALTERNATOR (REMAN FOR RE509106) (14V, 65A) (3132) | alternator |
| 991990 | Battery disconnecter | battery |
| 010422 | Battery service | battery_service |
| 010421 | Belt | belt |
| R73784 | FAN BELT (LGTH = 1340 mm) | belt |
| R73785 | FAN BELT (LGTH = 1465 mm) | belt |
| R97939 | FAN BELT (LGTH = 1320 mm) | belt |
| RE55793 | FAN BELT (LGTH = 1300 mm) | belt |
| T20334 | FAN BELT (LGTH = 1219 mm) | belt |
| T23526 | FAN BELT (LGTH = 1295 mm) | belt |
| T24473 | FAN BELT (LGTH = 1295 mm) (2402) | belt |
| 010420 | Coolant and filter | coolant |
| 791278 | Biological hydraulic fluid Alt. 1 | fluid |
| 99000-25010 | Grease A | fluid |
| 010418 | Fuel filter | fuel_filter |
| RE60021 | FUEL FILTERS | fuel_filter |
| SE501101 | NOZZLE (REMAN FOR RE48786) | injector |
| SE501177 | NOZZLE (REMAN FOR RE515684) (16QN) (16QP) (16SW) (16SV) (16WL) | injector |
| 010417 | Oil and filter | oil |
| DZ118286 | OIL FILTER | oil_filter |
| RE519626 | OIL FILTER (5926, 59AC) | oil_filter |
| RE533026 | FUEL FILTERS (35K6) | oil_filter |
| RE62418 | FUEL FILTERS (35C4) | oil_filter |
| T19044 | OIL FILTER | oil_filter |
| 008083 | Unit ID tag (located behind breaker door beneath breakers) | other_service |
| 791275 | Sound Power level CA141 105 | other_service |
| DZ102006 | SHORT BLOCK ASSEMBLY | other_service |
| R110081 | FAN PULLEY (OD = 154 mm) | other_service |
| R110450 | CRANKSHAFT PULLEY AND DAMPER (OD = 175 mm) | other_service |
| R113425 | CRANKSHAFT PULLEY AND DAMPER (OD = 175 mm) | other_service |
| R117011 | CRANKSHAFT PULLEY AND DAMPER (OD = 174 mm) | other_service |
| R120262 | CRANKSHAFT PULLEY AND DAMPER (OD = 174 mm) | other_service |
| R133067 | CRANKSHAFT PULLEY AND DAMPER (OD = 174 mm) | other_service |
| R501213 | CRANKSHAFT PULLEY AND DAMPER (OD = 174 mm) | other_service |
| R501222 | CRANKSHAFT PULLEY AND DAMPER (OD = 174 mm) | other_service |
| R501223 | CRANKSHAFT PULLEY AND DAMPER (OD = 174 mm) | other_service |
| R547151 | CRANKSHAFT PULLEY AND DAMPER (OD = 171 mm) (1346) | other_service |
| R76979 | FAN PULLEY (OD = 143 mm) | other_service |
| R87148 | FAN PULLEY (OD = 172 mm) | other_service |
| RE502325 | SHORT BLOCK ASSEMBLY | other_service |
| RE535720 | SHORT BLOCK ASSEMBLY | other_service |
| RE59031 | CRANKSHAFT PULLEY AND DAMPER (OD = 191 mm) | other_service |
| SE501484 | COMPLETE BLOCK ASSEMBLY | other_service |
| SE501488 | COMPLETE BLOCK ASSEMBLY | other_service |
| SE501571 | CONNECTING ROD (REMAN FOR RE501674 OR DZ104739) | other_service |
| SE501572 | CONNECTING ROD (REMAN FOR RE501675) | other_service |
| SE501573 | CONNECTING ROD (REMAN FOR RE501675) | other_service |
| DZ108524 | CRANKSHAFT PULLEY AND DAMPERT (OD=171mm) (1346) | pump |
| 99000-31110 | Sealant B | sealant |
| 010423 | Spark plugs | spark_plug |
| 09912-34510 | Special tool (A) | special_tool |
| 09913-60910 | Special tool (B) | special_tool |
| 09913-61510 | Special tool (A) for main shaft hub removal | special_tool |
| 09913-84510 | Special tool (A) for input shaft oil seal retainer | special_tool |
| 09922-85811 | Special tool (A) for upper case and shifter assembly removal | special_tool |
| DZ11008 | STARTER MOTOR (12 V, 3.4 KW) (3075) | starter |
| DZ110081 | STARTER MOTOR (24 V, 3.4 KW) | starter |
| DZ110082 | STARTER MOTOR (24V, 4KW) (30BL) | starter |
| DZ129200 | STARTER MOTOR | starter |
| RE501693 | STARTER MOTOR (12 V, 2.5 KW) | starter |
| RE501713 | STARTER MOTOR (12 V, 2.6 KW) | starter |
| RE507670 | STARTER MOTOR (12 V, 3.1 KW) | starter |
| RE515688 | STARTER MOTOR (12 V, 4.2 KW) | starter |
| RE516157 | STARTER MOTOR (12 V) | starter |
| RE519568 | STARTER MOTOR (12V, 3.2KW) (3085) | starter |
| RE523502 | STARTER MOTOR (12 V, 3 KW) | starter |
| RE528929 | STARTER MOTOR (24 V, 4 KW) | starter |
| RE540300 | STARTER MOTOR (12 V) | starter |
| RE546868 | STARTER MOTOR (12V, 3.2KW ISKRA) (30BA) | starter |
| RE552251 | STARTER MOTOR (3.5 KW, 24 V) (30CA) | starter |
| RE552252 | STARTER MOTOR (24V) (30CB) | starter |
| RE62916 | STARTER MOTOR (12 V) | starter |
| SE501400 | STARTER (REMAN FOR RE62916) (12V, 2.5KW) | starter |
| SE501401 | STARTER (REMAN FOR RE540301) | starter |
| SE501402 | STARTER (REMAN FOR RE540300) | starter |
| SE501427 | STARTER (REMAN FOR DZ110081) (12V, 3.4KW) | starter |
| SE501851 | STARTER MOTOR (REMAN FOR DZ110081 OR RE507670) (12V, 3.4KW) (3075) | starter |
| SE501852 | STARTER (REMAN FOR RE516157) (12V, 2.8KW) | starter |
| SE501865 | STARTER (REMAN FOR RE501693) (12V, 2.5KW) | starter |
| SE501869 | STARTER MOTOR (REMAN FOR RE519568) (12V, 3.2KW) (3085) | starter |
| SE502286 | STARTER MOTOR (REMAN FOR DZ110082) (24V, 4KW) (30BL) | starter |
| 99000-32020 | Thread lock cement C | thread_lock_cement |
| SE501634 | TURBOCHARGER (REMAN FOR RE70036) | turbocharger |
| SE502214 | TURBOCHARGER (REMAN FOR RE518226) (65V6) | turbocharger |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
The John Deere 3029DF120 engine has an oil capacity of 8.0 liters.
The John Deere 3029DF120 has a displacement of 2.9 liters with 4 cylinders.
The John Deere 3029DF120 powers 4 generator set(s), including AKSA AD22, AKSA AD27, John Deere JM30U, SDMO J30.
The John Deere 3029DF120 uses oil filter part numbers John Deere DZ112582, John Deere AR58956, Donaldson P550758.
The John Deere 3029DF120 uses fuel filter part numbers John Deere AE29052, John Deere AR50041, John Deere R127970.
The John Deere 3029DF120 uses air filter part numbers John Deere AP3330, John Deere AE27170, John Deere AT18426.