1925

FORD CAR SPECIFICATIONS

BODY STYLES AND PRICES

Touring Car $290.00

Runabout 260.00

Tudor Sedan 580.00

Fordor Sedan 660.00

Coupe 520.00

Chassis 225.00

Runabout Pickup 281.00

Runabout Pickup With starter and demountable rims 366.00

Optional equipment for the touring car and runabout included a starter at $65.00 and demountable rims at $20.00. These items were standard on closed models.

1925 MODEL T ENGINEERING SPECIFICATIONS

General

Engine – Model T

Engine Type – "L" Head

Stroke – 4"; Bore – 3-3/4"

Number of Cylinders – 4

N.A.C.C. or S.A.E. Rating – 22.5

Maximum Brake Horsepower – 20

R.P.M. at Maximum H.P. – 1600

Engine Suspension – 3 Point

Engine Firing Order – 1, 2, 4, 3

Cylinder Head – Detachable

Valve Arrangement – At side

Camshaft Location – In Crankcase

Cylinders Cast – "EN BLOC"

Piston Displacement – 176.7"

Brake H.P. and Curve Peak – 20 at 1600

Compression Ration – 3.98

Cylinder Head Bolts, No. of – 15

TRANSMISSION

Details

Type – Special Ford Planetary

Speeds – 2 forward, 1 reverse

Location – Part of flywheel unit

Lubricant – Engine Oil

Gear Material – Steel forging, heat treated

Driven Gear – 27 Teeth

Driven Triple Gear – 27 Teeth

Reverse Drum Gear – 30 Teeth

Low Drum Gear – 21 Teeth

Low Triple Gear – 33 Teeth

Clutch

Type – Multiple steel disc, operating in oil

Clutch Spring Tension – 90 lbs.

Clutch Pressure in High Gear – 324 lbs.

Large Discs, No. of – 13

Small discs, No. of – 12

LUBRICATION

Types and Capacity

Motor and Transmission – Constant level circulation splash

Capacity – 1 gal. Light engine oil

Rear Axle Lubricant – A-1, Heavy fluid or semi-fluid oil

Wearing Surfaces – Grease and oil

Oiling Points and Grease Cups, No. of – 30

STARTING MOTOR

Starter Engagement – Screw type bendix

Source of Current – Storage battery

Torque – 14 to 16 lbs.

GENERATOR

Location – Right side front

Drive – Gear

Speed – 1-1/2 to 1 of engine

IGNITION

Type – High tension and jump-spark

Magneto Type – Flywheel, 16 magnets, 16 coils, 25 turns each

Coil Units – Transforms 8 to 30 volt into secondary current,

8,000 to 30,000

Spark Control – Hand

Spark Plugs – Champion, size ½"

Thread Length in Spark Plug Holes – 13/32" to 15/32"

Commutator – Roller type

Drive From – Camshaft

BATTERY

Make – Ford or Exide

Type – 3xC 13-1

Plate Type – Faure

Capacity – 80 hours

Charging Rate – 10-12 amperes

Plates, No. of – 12

Cells, No. of – 3

WIRING SYSTEM

Insulation – All rubber or braid

National electric code specifications

Wire Gauge – No. 16 or over

LAMPS

Headlight, Type – New Ford "H"

Headlight Bulb – 21-candle power gas filled double filament

Headlight Lens Diameter – 8-1/8" to 8-3/16"

Tail Lamp Bulb – 2 c p

FUEL SYSTEM

Carburetor

Make – Ford

Model – Holley Model NH

Size – 1"

Fuel Feed

How – Gravity

Tubing Material – Brass

Tank Capacity – 9 ½ gal.

COOLING SYSTEM

Type – Thermo Syphon

Total Capacity – 25 pints

Capacity Water Jackets and Hose – 5 quarts

Fan

O.D. Diameter – 14" Number of Blades – 4

Speed – 1.45 to 1 of engine

Fan Belt – Length 27 ½", width 1-1/8"

Belt Type – Flat endless

Belt Make – Goodyear

Radiator

Capacity – 2 gallons

Tubes, Number of – 95

Tubes, Length of – 17 3/8"

Tubes, Diameter of – ¼"

Radiating Surface – 7705 Sq. inches

Capacity – 70.58 Cu. In.

Tube Capacity – 17% of radiator capacity

Hose

Connections, Number of – 2

Radiator Inlet, Cylinder Outlet, Length – 4", inside diameter, 2"

Radiator Outlet, Cylinder, Inlet, Length – 2-3/4", inside dia, 1-3/4"

FRONT AXEL

Description

Make – Ford

Material – Ford alloy steel forging

Type – Construction. I-beam

Tensile Strength – 125,000 to 145,000 lbs. per square inch

Tilt of Axle – 5 1/2^o

Front Springs

Type – Transverse semi-elliptic

Leaves – Car 7, Pickup 8

Spring Length – 31 1/2 to 31 5/16"

Spring Width – 1.480 to 1.490"

Rear Springs

Type – Transverse semi-elliptic

Spring Length – 43 3/8 to 43 5/8"

Spring Width – 2"

No. of Leaves – 8, Sedan and Pickup 9

REAR AXEL DETAILS

General

Type – Three-quarter floating

Gears, Type – Spiral bevel

Lubricant – Heavy semi-fluid oil

Quantity 1 ½ lbs.

Differential Assembly

Hub Diameter Differential Gear – 1.808 to 1.809"

Gear Case Diameter – 5.248 to 5.249"

Axle Shaft Length – 31-1/32 to 31-3/32"

BRAKES – DETAILS

Hand, (Emergency)

Location – Rear Wheels

Drum Diameter – 8"

Foot (Service)

Location – Transmission

Lining Length – 23-7/16 to 23 ½"

Width – 1-5/32 to 1-9/16"

Thickness – 5/32 to 11/64"

Lining Material -- Cotton

STEERING APPARATUS

Description

Type – Planetary

Steering Wheel, Diameter – 16"

Steering Wheel, Material – Hard rubber

Driven Shaft, Length – 54-5/16"

Angle to Dash – 39^o 45’

Steering Wheel to Dash, Distance – 29-27/32"

MISCELLANEOUS STANDARD EQUIMPENT (ALL MODELS)

Front Mat, Tonneau Mat, Jack, Tire Pump, Keys, Bag of Tools

Consisting of : Monkey Wrench, End Wrench, Pliers, Spark Plug

Wrench, Hub Cap Wrench, Screw Drive, Tire Irons.

CHASSIS EQUIPMENT

Front Fenders, Head Lamps, Tail Light, Horn, Jack, Tire Pump

Keys and Set of Tools

INSTUMENT BOARD

Material – Pressed Steel

Finish – Baked Enamel

Equipment – Light Switch, ignition switch (battery and magneto),

Ammeter, carburetor choke rod

WHEELS, TIRES AND RIMS

Wheel Type – Artillery

Rim Make – Hayes, Kelsey or Ford

Tire Makes – U.S., Firestone, Goodyear, Goodrich, Miller, Mason

Sizes (Pneumatic)

Regular – 30" x 3" Front

30" x 31/2" Rear

Demountable – 30" x 3 ½" Front and Rear

GENERAL SPECIFICATIONS

Wheelbase – 100"

Turning Radius – 19’3"

Turning Circle – 39’ 6"

Clearance – 10 1/4"

Tread – 56"

The above specifications are from the collections of Henry Ford Museum & Greenfield Village Research Center