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Ford 1120 Tractor Specifications

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Complete specifications for the Ford 1120 compact tractor, transcribed from the specifications section of the factory operator's manual (SE4591). Built from 1987 to 1993 by Shibaura in Japan as part of Ford's Twenty Compact Series, the 1120 is the smallest model in the series, with a 53.6 cu. in. three-cylinder diesel and 12.5 observed PTO horsepower. It was sold with a 9-forward, 3-reverse gear transmission or an optional two-range hydrostatic, in two-wheel or four-wheel drive, and the figures below separate them where the manual does.

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Engine

Type Diesel
Number of Cylinders 3
Bore 2.83 in. (7.2 cm)
Stroke 2.83 in. (7.2 cm)
Displacement 53.6 cu. in. (879 cc)
Compression Ratio 23 : 1
Firing Order 1-2-3
Low Idle Speed 800–900 rpm
Maximum Speed — High Idle 2650–2700 rpm
Maximum Speed — Rated 2500 rpm
Valve Clearance (Cold Engine) — Intake 0.008 in. (0.20 mm)
Valve Clearance (Cold Engine) — Exhaust 0.008 in. (0.20 mm)

Capacities

Component U.S. Imperial Metric
Fuel Tank 4.8 gals. 4.0 gals. 18 liters
Cooling System 3.7 qts. 3.1 qts. 3.5 liters
Engine Crankcase — Less Filter 3.2 qts. 2.6 qts. 3.0 liters
Engine Crankcase — With Filter Change 3.5 qts. 2.9 qts. 3.3 liters
Rear Axle and Transmission (includes hydraulics) 16.9 qts. 14.1 qts. 16 liters
H.S.T. Rear Axle and Transmission 16.9 qts. 14.1 qts. 16 liters
Front Axle Final Reduction and Differential Gear Case 1.9 qts. 1.58 qts. 1.8 liters

Cooling System

Type Pressurized liquid with recirculating bypass
Water Pump — Type Centrifugal
Water Pump — Drive V-belt
Water Pump Belt Deflection 7/16 to 9/16 (10–15 mm) when 20–25 lbs. (9–11 kg) thumb force is applied midway between pulleys1
Fan Diameter 13.19 in. (33.5 cm)
Thermostat — Start to Open 160°F (71°C)
Thermostat — Fully Open 185°F (85°C)
Radiator Cap 13 psi (0.9 bar)

Electrical System

Alternator 12-volt, heavy duty, 35 amps
Regulator Mechanical
Battery 12-volt, 65 amp. hour rating with negative ground
Starting Motor Reduction, magnet shift2

Fuel System

Fuel Temperature Type
Diesel Above 20°F (−6.7°C) No. 2D, cetane rating min. 40
Diesel Below 20°F (−6.7°C) No. 1D, cetane rating min. 40
Injection Pump — Type In-line
Injection Pump — Timing 23° BTDC

Clutch

Type 7.25 in. (18.4 cm) dry disc, organic face
Pedal Free-Travel 3/4–1-3/16 in. (19–30 mm)

Brakes

Type Drum (expanding shoe)
Drum 4.72 in. diameter (12.0 cm)

Steering

Type Manual
Turns Lock-to-Lock 3.5
Steering Wheel Free-Play 0.78–1.38 in. (20–35 mm)
Front Wheel Toe-In 0–13/64 in. (0–5 mm)
Turning Radius (without brake) — Two Wheel Drive 6.89 ft. (210 cm)
Turning Radius (without brake) — Four Wheel Drive 7.15 ft. (218 cm)

Power Take-Off

Type Transmission
Shaft 1-3/8 in. (3.49 cm), 6 spline SAE STD
Engine Speed for 540 rpm PTO Operation — H.S.T. 2300 rpm
Engine Speed for 540 rpm PTO Operation — Gear 2385 rpm
Horsepower PTO — Observed 12.53

Hydraulic Lift System

Type Live, Category 1 three-point linkage
Pump Type Gear
Pump Capacity 4.7 gpm at 1849 psi at 2500 rpm (3.6 Imp. gpm at 130 bar at 2500 rpm)4
System Relief Valve Setting 1849 psi (130 bar)4

Tires

Position Two Wheel Drive Four Wheel Drive
Front — Standard (AG) 4.00-12, F2, 4 ply 5-12, R1, 4 ply
Front — Optional (AG) 5.00-12, F2, 4 ply 6-12, R1, 4 ply
Front — Optional (Turf) 20 × 8.00-10, R3, 4 ply — Two & Four Wheel Drive
Rear — Standard (AG) 8-16, R1, 4 ply — Two & Four Wheel Drive
Rear — Optional (AG) 9.5-16, R1, 4 ply — Two & Four Wheel Drive
Rear — Optional (Turf) 29 × 12.00-15, R3, 4 ply — Two & Four Wheel Drive

ROPS Bolt Torques

ROPS to Fender (M12) 55 lbs. ft. (74 N·m)
Seat Belt (M12) 77 lbs. ft. (104 N·m)

The specifications section of this manual does not list wheel bolt torques. The front wheel bearing instructions (page 43) give 43–53 lbs. ft. (58–73 N·m) for the two-wheel drive front wheel bolts.

Cast Iron Weights

(3) Front End Weights 33 lbs. (15 kg) each5
(2) Front Wheel Weights 33 lbs. (15 kg) each
(4) Rear Wheel Weights 44 lbs. (20 kg) each

Draw Bar

Fixed Type Standard

Lubricants

Tractor Component Lubricant Recommendation Ford Part No.
Engine Oil Ford Super Premium 1QM-2C 121-AMV (case, 24 qts. 15W-40); 1QM-2C 121-A10 (case, 24 qts. SAE 10W); 1QM-2C 121-A30 (case, 24 qts. SAE 30W)
Transmission, Rear Axle and Hydraulic System Oil (mechanical and hydrostatic transmission) Ford 134 1QM-134C (1 gal.)6; 5GM-134C (5 gal.)
Front Wheel Bearing and Lubrication Fittings M1C-137-B 1TM-1C-137-B (1 tube)
Front Axle Ford 134 1GM-134C (1 gal.); E0AZ-19580-E (5 gal.)

The manual notes that if the recommended engine oil is not readily available, a commercial oil may be used as shown on its page 31, and that engine crankcase oil drain intervals should be adjusted downward when diesel fuel sulfur content is over 0.5%.

General Dimensions

Dimension Two Wheel Drive Four Wheel Drive
Length 106.3 in. (270 cm) — Two & Four Wheel Drive
Wheelbase 55.3 in. (140.5 cm) — Two & Four Wheel Drive
Height — Top of Steering Wheel 50.0 in. (127.0 cm) 49.8 in. (126.5 cm)
Height — Top of ROPS 80.1 in. (203.5 cm) 79.5 in. (202.0 cm)
Width 40.9 in. (104.0 cm) — Two & Four Wheel Drive
Minimum Ground Clearance 10.1 in. (25.7 cm) 9.6 in. (24.4 cm)
Adjustable Wheel Tread — Front 33.6–35.5 in. (85–90 cm) 32.3 in. (82 cm)
Adjustable Wheel Tread — Rear 33.5–39.3 in. (85–100 cm) — Two & Four Wheel Drive
Weight with ROPS — Gear Transmission 1338 lbs. (607 kg)7 1429 lbs. (648 kg)
Weight with ROPS — H.S.T. 1433 lbs. (650 kg) 1521 lbs. (690 kg)

Ground Speeds

Gear transmission, from 1250–2500 rpm engine speed with 8 × 16 rear tires. Three forward speeds and one reverse in each of three ranges.8

Gear Position At 1250 rpm (mph) At 2500 rpm (mph)
Forward
1st 0.3 0.7
2nd 0.6 1.1
3rd 0.7 1.5
4th 0.8 1.6
5th 1.3 2.6
6th 1.8 3.5
7th 2.1 4.1
8th 3.4 6.8
9th 4.6 9.1
Reverse
R1 0.6 1.2
R2 1.5 2.9
R3 3.8 7.6

Optional hydrostatic transmission (H.S.T.), two ranges. Speed is continuously variable from zero to the figure shown.9

Range Forward, Maximum (mph) Reverse, Maximum (mph)
Low (“L”) 3.7 2.3
High (“H”) 9.6 6.0

Notes:
1 The belt deflection is printed as “7/16 to 9/16 (10-15 mm” with no unit on the first figure and no closing bracket. 10–15 mm is about 0.39–0.59 in., consistent with inches. Transcribed as printed.
2 Printed as “Starting Moter”. Corrected to “Motor” in the label only.
3 TractorData lists 12.5 claimed PTO hp for the gear tractor and 12 hp for the hydrostatic. The manual prints a single observed figure of 12.5.
4 The manual pairs 1849 psi with 130 bar in both lines. 1849 psi is about 127.5 bar, and 130 bar is about 1885 psi, so one of the two figures is rounded or misprinted. Transcribed as printed. The pump figures also give U.S. and Imperial gpm only.
5 On the printed page the “(15 kg) each” for the front end weights sits at the top of the next column, above the front wheel weights. It is shown here with the line it belongs to.
6 The 1-gallon part number on this line is printed “1QM-134C”, while the front axle line prints “1GM-134C”. One of them is likely a print or scan error. Both are transcribed as printed.
7 The weight table's first column is headed “Two Wheel Drive (H.S.T.)”, yet the table gives a separate H.S.T. weight row below the standard one. The upper row is shown here as the gear-transmission weight, which also matches TractorData's 1338–1429 lb range.
8 The manual presents ground speeds as a bar chart rather than a table. The values above are the endpoint figures printed on that chart, transcribed rather than measured from the graph.
9 The hydrostatic maximums come from the H.S.T. Range Selector Lever section (page 12) and agree with the H.S.T. markers printed on the ground speed chart.
All specifications transcribed from the Ford 1120 operator's manual, publication SE4591, originally published by Ford New Holland. Production years, builder, series and engine model are from TractorData and are not printed in the manual. Ford New Holland reserved the right to change specifications without notice; verify against your tractor's serial number before ordering parts or setting clearances.

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Manual code: SE4591

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