Fendt 900 S4 Maintenance Schedules

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Engine

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Job Notes Part Quantity
Perform stationary regeneration of DPF Stationary regeneration must always be done before changing engine oil.
Change engine oil 10W40 Syn. Deutz Engine Oil 79036470B 38L
Change engine oil filter ACO F954200510010 1
Oil drain plug gasket M18x24 ACO F934201510340 1
Change fuel filter ACO F934201060010 1
Change fuel pre-filter ACO F842201060010 1
Change the DEF filter 1
Check engine air intake system for leaks
Check air filter maintenance code
Change engine air primary filter ACO F954200091010 1
Check and clean cooling radiators and fan As required.
Check for coolant system leaks
Check engine coolant level Premixed FleetGuard Antifreeze Check both reservoirs.
Check hose clamps on coolant and air intake system
Check water pump bearings & leaks at weep hole
Check fan bearings
Remove belts, check idler, tensioner bearings + belts

Transmission

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Job Notes Part Quantity
Check transmission oil level 821XL Hyd. / Trany Fluid
Check oil level in rear axle final drives Oil level mark on axle housing. Approximately 36mm below fill plug hole. Gear Oil
Change transmission pressure filter and o-ring O-Ring is 72313495 ACO F91610060001A 1

Front Axle & PTO

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Job Notes Part Quantity
Change oil in front differential/PTO Single circuit brake: 36L. Dual circuit brake: 18.5L. Add 4L with front PTO. 79037113B   OR  79037113B 18   OR  36L
Change gaskets in front PTO PTO drain and PTO fill. ACO X540005678000 1
ACO X540008278000 1
Change gasket in front differential ACO X540009478000 2
Change front axle pressure filter and O-ring O-Ring is 72454742 ACO F931303231010 1
Change front axle pressure filter seal
Change oil in front axle hubs 85W-140 Gear Oil. 11L with tire pressure system, 9L without. 85W-140   OR  85W-140 11L   OR  9L
Front axle drain plug gasket 4 needed with TPM, 2 needed W/O TPMS ACO X540007678000 2
Check front axle toe-in 0-2mm (0.0 – 0.08")

Hydraulics

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Job Notes Part Quantity
Check hydraulic oil level 821XL Hyd./Trany Fluid
Change hydraulic vent filter ACO H385100050030 1
Drain oil from couplers' oil recovery bottles As required.

Cab

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Job Notes Part Quantity
Change fresh air filter ACO H931812140600 1
Change recirculating air filter ACO H931812140511 1
Clean the a/c condenser
Windshield washer reservoir Refill as needed. 15-204 1

Compressed Air System

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Job Notes Part Quantity
Operate tank drain valve
Compressed air function/leak test
Change Air Dryer Cartridge With tire pressure 2 used / Without TPS 1 used ACO F842880141020 2
Drain Water from Air System

Electrical System

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Job Notes Part Quantity
Check lighting, signaling, and warnings systems for correct operation
Check software version, and update if necessary
Check battery acid level
Read out, record diagnostic memory & remedy faults
Check batteries for corrosion or loose connections

General

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Job Notes Part Quantity
Tighten wheel hardware to specifications
Check for loose hardware, linkages; check for leaks
Lubricate all grease points 79014728B 1
Brake Clean for cleanup 890.9107 1
Check tire pressure
Test drive tractor, checking functions & braking systems
Check electro-hydraulic steering
Check brake control

Wheel Nut Torque Specifications

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Job Notes Part Quantity
Front wheel center to hub 330 ft/lbs (450NM)
Front wheel rim to dish 207 ft/lbs (280NM)
Rear wheel center to hub 457 ft/lbs (620NM)
Rear wheel hub tapers to axle (3 step tightening) 442 ft/lbs (600NM)
Rear wheel rim to dish 206 ft/lbs (280NM)
Wheel Weight, Rear/Tapered Cones – (M16 Bolt) Torque Spec 195 ft/lbs. with M16 Bolts
 The following parts are not in stock:
  • 79036470B
  • ACO F954200510010
  • ACO F934201510340
  • ACO F934201060010
  • ACO F842201060010
  • ACO F954200091010
  • ACO F91610060001A
  • 79037113B
  • ACO X540005678000
  • ACO X540008278000
  • ACO X540009478000
  • ACO F931303231010
  • 85W-140
  • ACO X540007678000
  • ACO H385100050030
  • ACO H931812140600
  • ACO H931812140511
  • 15-204
  • ACO F842880141020
  • 79014728B
  • 890.9107

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Purchase Parts

 Listed bellow are some of the parts that you may need for servicing your equipment. You can purchase them all, uncheck the ones you don’t feel are needed, or increase/decrease the quantities we’ve recommended.

Engine

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Job Part Quantity Add to Cart
Change the DEF filter ACP0594170 DEF Filter