Model Variants:
BF4M 2012, BF4M 2012 C, BF6M 2012 C
Production Years Covered:
Fendt Farmer 307/308/309 Ci era (early-to-mid 2000s)
Engine Type:
In-line diesel, liquid cooled
Mounted In Tractors:
Fendt Farmer 307 Ci, Fendt Farmer 308 Ci, Fendt Farmer 309 Ci
Tractor Serial Numbers Start:
117 .. 8001-, 118 .. 8001-, 119 .. 8001-
Target Audience:
Diesel technicians, fleet mechanics, and DIY owners servicing Fendt Farmer 307/308/309 Ci tractors
Engine Role:
Workhorse four- and six-cylinder agricultural diesel in the Deutz BFM 2012 family
Key Advantage:
OEM-level service and repair procedures for the complete engine, not a generic overview
Coverage Depth:
Disassembly, component repair, re-assembly and re-installation in one downloadable file
Sections:
Specification data, control and adjustment, repair of components, disassembly/re-assembly, removal/re-installation, tools
Manual Type:
Service Repair Manual
Delivery:
Instant download after purchase
Languages:
English, German
Currency:
European tractor serial ranges 117..8001-, 118..8001-, 119..8001-
Main Sections:
Specification data / key to symbols, control and adjustment, repair of components, disassembly and re-assembly of complete engine, removal and re-installation of components, tools
Engine Mechanical:
Cylinder head, valve train, pistons, liners, crankshaft, bearings, timing gears
Lubrication System:
Oil pump, relief valve, filter housing, oil galleries, cooler circuit
Cooling System:
Water pump, thermostat, coolant circuit, radiator interface
Fuel System:
Injection pump, injectors, low-pressure supply, filters, timing and calibration checks
Air Induction:
Air cleaner, intake manifold, turbocharger (where fitted)
Electrical:
Starting, charging, sensors, wiring connections to engine harness
Exhaust:
Manifold, turbo mounting, exhaust routing
Specification Data:
Tightening torques, clearances, wear limits, key to symbols
Control and Adjustment:
Valve lash, injection timing, governor and idle settings
Repair of Components:
Cylinder head reconditioning, injector service, pump overhaul
Disassembly / Re-assembly:
Complete engine teardown and build-up in sequence
Removal / Re-installation:
Engine and component removal and refitting in chassis
Measurements:
Factory tolerances and wear limits for machined components
Diagnostics:
Fault tracing for no-start, low power, overheating and oil pressure problems
Tooling:
Special tool list with usage notes for each procedure
Component Identification:
Part names and positions for order reference
Wear Items:
Gaskets, seals, bearings, filters and fasteners noted where replaced
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Type:
In-line diesel engine
Bore Stroke:
102 mm x 120 mm (typical for BFM 2012 series)
Cylinder Count:
4 or 6 (depending on variant)
Valve Train:
Overhead Camshaft (OHC)
Cooling System:
Liquid cooled
Fuel System:
Direct injection; common rail (CR) for 'C' variants
Ignition System:
Compression ignition
Displacement BF4M 2012:
4.2 liters
Displacement BF6M 2012:
6.3 liters
Power Output Range:
Approx. 70 - 150 HP (varies by model and tuning)
Torque Output Range:
Approx. 250 - 550 Nm (varies by model and tuning)
Engine Compatibility:
Mated to Fendt Farmer 307/308/309 Ci tractor drivelines
Engine-to-Transmission Interface:
Flywheel, clutch housing and mounting procedures covered in the removal and installation section
Standard Transmission:
N/A - transmission is a tractor chassis system; this manual covers engine-side interfaces only
Optional Transmission:
N/A - not specified for this engine service manual
Clutch / Flywheel:
Inspect runout, wear and mounting torque at engine re-installation
Engine Envelope:
N/A - engine-only manual; overall tractor dimensions are not specified
Wheelbase:
N/A - not specified for this engine service manual
Length:
N/A - not specified for this engine service manual
Curb Weight:
N/A - not specified for this engine service manual
Engine Dry Weight BF4M:
N/A - refer to manual specification data for exact figure
Engine Dry Weight BF6M:
N/A - refer to manual specification data for exact figure
Crash Test Information:
N/A - agricultural engine service manual; no vehicle crash ratings apply
Active and Passive Systems
Engine Protection:
Oil pressure monitoring, coolant temperature monitoring, overspeed governor
Service Safety:
Manual specifies safe handling, depressurization and lifting points for engine removal
Applicable Practice:
Isolate electrical supply and fuel system before teardown
Lifting:
Use rated lifting equipment at factory-specified lift points
Fuel Delivery:
Mechanical direct injection; common rail control on 'C' variants
Governor:
Speed governing with idle and full-load adjustment procedures
Infotainment:
N/A - engine service manual does not cover cab audio systems
Driver Assistance:
N/A - engine service manual does not cover driver assistance systems
Fault Tracing:
Systematic checks for fuel, compression, lubrication and cooling complaints
Oil Type Recommendation:
API CD/CE/CF or ACEA E2/E3/E4 (refer to manual for specific grade and specs)
Oil Capacity BF4M:
Approx. 13 liters (refer to manual for precise capacity)
Oil Capacity BF6M:
Approx. 17 liters (refer to manual for precise capacity)
Oil Filter Type:
Spin-on cartridge type (refer to manual for part number)
Fuel Filter Type:
Cartridge type (refer to manual for part number)
Air Filter Type:
Dry element type (refer to manual for part number)
Oil Change Interval:
Typically 250-500 operating hours (refer to manual for specific recommendations)
Fuel Filter Replacement Interval:
Refer to manual for specific interval
Air Filter Replacement Interval:
Refer to manual for specific interval
Valve Lash Adjustment Interval:
Refer to manual for specific interval and specifications
Known Issues / Wear Items
Common Wear Items:
Injectors, injection pump internals, head gasket, valve seats, water pump seal, turbocharger (where fitted)
Typical Complaint Areas:
Hard starting, fuel delivery faults, oil leaks at gaskets and seals, cooling loss
Manufacturer:
Deutz (engine), installed in Fendt tractors
Engine Family:
BFM 2012 series four- and six-cylinder agricultural diesel
Naturally Aspirated / Turbocharged:
BF4M 2012 and BF4M 2012 C variants; BF6M 2012 C six-cylinder variant
Application Era:
Fendt Farmer 307, 308 and 309 Ci tractors
Production Location:
N/A - not specified in this manual
Serial Number Ranges:
117..8001-, 118..8001-, 119..8001-
