John Deere 3120 Compact Utility Tractor Maintenance Guide & Parts List

John Deere 3120 Compact Utility Tractor Maintenance Guide & Parts List

Published by Jeff Lawson on Feb 7th 2019


Service Schedule Parts


1 - Transmission Oil Filter LVA13065 Every Replace every 400 hours
1 - Filter Pak LVA21202 Every Each kit contains two oil filters, one air filter, one fuel filter and one hydraulic filter, offering a complete solution for your maintenance needs to keep your tractor running at peak performance
2 - OIl Filter M806419 Every 50/200
1 - Engine Fuel Filter MIU00645 Every Replace every 400 hours or annually
1 - Air and Recirculation Filter MIU10010 Every Clean or replace every 50 hours
1 - Engine Primary Air Filter RE68048 Every Service annually and as required per conditions
1 - Engine Secondary Air Filter RE68049 Every Service annually and as required per conditions
2 - Torq-Gard Supreme Plus-50 Oil TY22061 Every 50/200
3 - Multi-Purpose SD Polyurea Grease (14 oz)TY6341 As Needed

Commonly Used Parts


Head Light Blub 57M7166
PTO SW AM118802
Seat SW AM124426
Seat LVA12909
Turn Signal SW LVA12928
Hydraulic Filter - In-Line LVA14167
Fan Belt LVU11661
Radiator Hose - Lower LVU19512
Thermostat Gasket M805834
Thermostat Gasket M805835
Oil Pressure SW M809526
Fuel Filter Element M811032
Thermostat M811034
Key RE183935
Neutral Start SW RE39116
Switch RE61717
Hose Clamp TY22467
Battery TY26498

As Needed Parts


Fuel Filter Cap LVU17214
Grease Gun TY26183
5 US gal Low Viscosity Hy-Gard - Cap 6.3 gal (Power Reverser) - Cap 6.8 gal (eHYDRO) TY6342