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A Tractor that Multi-Tasks as Well as You Do Case IH Farmall 100A series tractors are tough, reliable, remarkably versatile and an excellent value. With four models available in cab or non-cab versions and two-wheel drive or optional mechanical front-wheel drive configurations, you’re sure to find one that’s right for your operation and budget.
All the Horsepower You Need Farmall 100A series tractors are equipped with a 4-cylinder 4.5 liter FPT engine that meets stringent Tier 4 B/Final emissions standards without compromising power or fuel efficiency. These new electronically-controlled engines provide operators with faster throttle response, improved cold weather starting, increased fuel efficiency, and quieter operation with less vibration.
Smooth Shifting Options to Match Your Needs Choose from three transmission options to best suit your operation:
8×8 clutchless power shuttle (standard)
8×8 Synchro mechanical option with mechanical reverser
16×8 power shuttle with hi-lo gear selection in every range
Comforts to Make Long Days Seem Shorter Hundreds of hours of research go into making long days seem shorter, controls seem more natural and chores seem less challenging in Case IH equipment. Farmall 100A series tractors continue the long-standing Farmall commitment, putting a high priority on operator comfort and productivity.
Farmall 120A (2015-Present)
Advertised Engine Power, Rated, hp (kW)
Maximum Engine Power, hp (kW)
Same as advertised
Rated Engine Speed, rpm
Power Boost, hp (kW)
Fuel Tank capacity, gal (L)
Diesel Exhaust Fluid (DEF) tank capacity, gal (L)
PTO Horsepower, Basic / Optional Transmission, hp (kW)
PTO Speeds, rpm
540 / 1000
PTO operational Type (Independent; Live; Continuous)
Case IH FPT
Number of Cylinders
Displacement, cu in (L)
Engine Bore, in (mm)
Engine Stroke, in (mm)
Block Design, Replaceable Liners
Parent bore block
Aspiration, Turbocharged or Naturally Aspirated
Fuel System Description
High Pressure Common Rail
Fuel System Control, Electronic or Mechanical
Fuel Injection to combustion chamber, Direct or Indirect