Tractor · 1939Unverified
Ford 9N
Ford 9N — N Series · 17 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
17 hp
Max power
12.2 kW
Weight
2140 to 2900 pounds
Hover a source tag to verify
Overview
ManufacturerFordReference
Utility tractorReference
Built in Dearborn, Michigan, USAReference
Total built99,002Reference
Original price was $585 in 1939Reference
Two-wheel driveReference
Manual steeringReference
Differential mechanical shoe brakesReference
Open operator stationReference
Engine
Ford 2.0L 4-cyl gasolineReference
Ford 2.0L 4-cyl distillateReference
Fuel tank37.9 LReference
Drawbar (claimed)12.6 kWReference
Belt (claimed)17.8 kWReference
Plows2 (14-inch)Reference
Drawbar (tested)12.2 kWReference
Belt (tested)17.6 kWReference
FordReference
gasolineReference
4-cylinderReference
liquid-cooled inlineReference
Displacement2.0 LReference
Bore/Stroke81 x 95 mmReference
Air cleaneroil bathReference
Compression6.0 : 1Reference
Rated RPM2000Reference
Torque113.9 NmReference
Torque RPM1500Reference
Firing order1-2-4-3Reference
Starter volts6Reference
Coolant capacity11.4 LReference
Sparkplug gap0.635 mmReference
Point gap0.381 mmReference
Intake valve clearance0.381 mmReference
Exhaust valve clearance0.381 mmReference
Oil capacity5.7 LReference
Oil change200 hReference
distillateReference
liquid-cooledReference
The distillate engine was used on the 9NAN variation, power is about 10% lower than on the 9N.Reference
Compression4.75 : 1Reference
Belt power (max)17.6 kWReference
Max power12.2 kWReference
Transmission
3-speed gearReference
TypegearReference
Gears3 forward and 1 reverseReference
Oil capacity18.9 LReference
Oil type[0oC]Reference
32oF [0oC]↑: SAE90 GL1Reference
32oF [0oC]↓: SAE80 GL1Reference
PTO & Hydraulics
Rear TypeIReference
Rear lift362 kgReference
Rear PTOtransmissionReference
Rear PTO Type545 (1.125)Reference
Dimensions
Wheelbase177 cmReference
Weight2140 to 2900 poundsReference
Front tire4.00-19Reference
Rear tire8.00-32Reference
Ag front4.00-19Reference
Ag rear8.00-32Reference
Length292 cmReference
Width162 cmReference
Height132 cmReference
Ground clearance33 cmReference
Front tread121 to 193 cmReference
Rear tread121 to 193 cmReference
Shipping970 kgReference
Operating1315 kgReference
Ballasted1530 kgReference
9N Serial Number Location
On the engine block, left-hand side, just behind oil filter.Reference
9N Serial Numbers
19391Reference
194010234Reference
194145976Reference
194289888Reference
FAQ: How to read a serial number table.Reference
Links
N Tractor Club:Reference
Electrical
GroundpositiveReference
Charging systemgeneratorReference
Charging amps16Reference
Charging volts6Reference
Battery volts6Reference
Battery AH85Reference
Test results
Gasoline 3-speed 2WDApril 9 - 18, 1940Link: Nebraska Tractor Test 339 fileReference
Belt fuel use (max)9.1 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull1014 kgReference
Gear 2 used for pull test.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.