Case IH Farmall 40A vs Case IH Farmall 45C

Every published spec for both machines, side by side. The verdict below is computed straight from the spec sheets, not opinion.

Across 9 measurable specs, the Case IH Farmall 45C leads 9 categories to 0. Machine pages: Case IH Farmall 40A and Case IH Farmall 45C.

Want a third or fourth machine in the mix? Open this matchup in the comparison tool and add up to two more.

Category Verdict

Spec	Case IH Farmall 40A	Case IH Farmall 45C
Engine HP (hp)	40 hp	▲ 45 hp
PTO HP (hp)	34.8 hp	▲ 36 hp
Weight (lb)	3,053 lb	▲ 3,770 lb
Loader Lift (lb)	890 lb	▲ 1,830 lb
3-Pt Lift (24 in) (lb)	1,596 lb	▲ 2,756 lb
Lift Height (in)	98 in	▲ 112 in
Breakout Force (lbf)	1,900 lbf	▲ 3,114 lbf
Hydraulic Flow (gpm)	13.3 gpm	▲ 13.5 gpm
Travel Speed (mph)	14.8 mph	▲ 17.9 mph

The headline numbers at a glance.

Case IH Farmall 40ACase IH Farmall 45C

Engine HPhp

40 hp

▲45 hp

PTO HPhp

34.8 hp

▲36 hp

Weightlb

3,053 lb

▲3,770 lb

Loader Liftlb

890 lb

▲1,830 lb

3-Pt Lift (24 in)lb

1,596 lb

▲2,756 lb

Share↓ Image 𝕏 f ✉

Full Spec Sheet

Every published spec, side by side, including the details the graphs above don't chart.

Spec	Case IHFarmall 40A	Case IHFarmall 45C


Engine Manufacturer	LS Mtron	LS Mtron
Engine Model	Not Published	L3C19-T
Engine Type	3-cylinder, turbocharged diesel, Tier 4 B/Final	Diesel, 3-cylinder, turbocharged
No. of Cylinders	3	3
Displacement	114.7 in³	115.9 in³
Rated Engine Speed	2600 rpm	2600 rpm
Engine Power (Gross)	40 hp	45 hp
PTO Power	34.8 hp	36 hp
Engine Emissions Constraints	Tier 4	Tier 4
Cooling System Type	Not Published	Liquid-cooled
Air Cleaner	Not Published	Replaceable dry element
Fuel System	Not Published	Common rail direct injection
Alternator	85 A, 12 V	70 A

Pump Type	Not Published	Not Published
Implement Flow	8.4 gpm	8.2 gpm
Steering Flow	Not Published	5.3 gpm
Total Hydraulic Flow	13.3 gpm	13.5 gpm (8.2 + 5.3, computed)
Overall Hydraulic Pump Flow	Not Published	Not Published
Hydraulic System Type	Open center	Open center
Rear Remote Hydraulic Flow	Not Published	Not Published
No. of Standard Remote Valves	0	1
No. of Optional Remote Valves	3	2

Fuel Tank Capacity	12.6 gal	10.5 gal
Coolant Capacity	Not Published	Not Published
Crankcase Capacity	Not Published	Not Published
Transmission / Hydraulic System Capacity	Not Published	Not Published
Front Axle Fluid Capacity	Not Published	Not Published

PTO Type	Independent, electro-hydraulic engagement	Independent rear PTO, electro-hydraulic engagement
PTO Rear	540 rpm	540 rpm
Mid-PTO Availability	Not available	Optional, 2000 rpm
Category, 3-Point Hitch	Category I	Category I
Hitch Lift Capacity	Not Published	Not Published
Hitch Lift Capacity (at 24”)	1,596 lb	2,756 lb
Lift Control Type	Mechanical Draft Control (MDC)	Mechanical draft control (MDC)

Transmission Type	3-range hydrostatic (optional)	3-range hydrostatic (optional)
No. of Speeds	3 ranges	3 ranges
Max Travel Speed (Forward)	14.8 mph (with R4 tires)	17.9 mph
Max Travel Speed (Reverse)	Not Published	Not Published
Clutch	n/a (no clutch on hydrostatic)	n/a (no clutch on hydrostatic)
Differential Lock & Limited Slip Options	Mechanical differential lock	Mechanical differential lock

Frame Type	Not Published	Not Published
Steering	Not Published	Power steering
Brakes	Not Published	Wet multi-disc
Seat Suspension & Adjustability	Adjustable suspension seat	Deluxe seat with armrests and an adjustable backrest
Front Axle Type	Mechanical Front Drive (MFD)	Mechanical Front Drive (MFD)
Front Axle Rating	Not Published	Not Published
Drawbar Capacity	Not Published	Not Published

Overall Width	66.5 in	69.1 in
Wheelbase	66.2 in	73.2 in
Ground Clearance	Not Published	Not Published
Min. Turn Radius without Brakes	10.5 ft	Not Published
Height to Top of ROPS	96.2 in	97.1 in
Height to Top of ROPS (folded)	74.2 in	78.6 in
Height to Top of Cab Model	Not Published	Not Applicable
Overall Length	119.4 in	128.1 in

Tractor Weight (Base)	3,053 lb	3,770 lb
Weight with ROPS and Loader	Not Published	Not Published
Weight with Cab and Loader	Not Published	Not Published

Tire Size & Options	R1 Agricultural, R3 Turf, or R4 Industrial	R1 Agricultural; R3 Turf; R4 Industrial
R1 Agricultural - Front	7x14	9.5-16
R1 Agricultural - Rear	11.2x24	13.6-24
R3 Turf - Front	25x8.50-14	28x8.50-15
R3 Turf - Rear	41x14.00-20	41x14.00-20
R4 Industrial - Front	25x8.50-14	12-16.5
R4 Industrial - Rear	43x16.00-20	17.5L-24

Quick Attach Loader System	Not Published	Quick-Attach faceplate; mid-mount frame for fast loader connect and disconnect (L360A)
Loader Model	L340A	L360A
Loader Lift Height	98 in	112 in
Loader Lift Capacity (Full Height)	890 lb at 31.5 in. forward of pivot pin	1,830 lb at 31.5 in. forward of pivot pin
Loader Breakout Force	1,900 lb	3,114 lbf

Warranty Length & Coverage	Basic 2 years; powertrain 4 additional years (6-year total)	Basic 2 years; powertrain 4 additional years (6-year, 72-month total)

Find a Case IH dealer near you

Case IH Farmall 40A vs Case IH Farmall 45C: Quick Answers

Which has more horsepower, the Case IH Farmall 40A or the Case IH Farmall 45C?: The Case IH Farmall 45C leads on engine hp at 45 hp hp, compared to 40 hp hp for the Case IH Farmall 40A.
Which has more PTO horsepower, the Case IH Farmall 40A or the Case IH Farmall 45C?: The Case IH Farmall 45C leads on pto hp at 36 hp hp, compared to 34.8 hp hp for the Case IH Farmall 40A.
Which is heavier, the Case IH Farmall 40A or the Case IH Farmall 45C?: The Case IH Farmall 45C leads on weight at 3,770 lb lb, compared to 3,053 lb lb for the Case IH Farmall 40A.
Which has more loader lift capacity, the Case IH Farmall 40A or the Case IH Farmall 45C?: The Case IH Farmall 45C leads on loader lift at 1,830 lb lb, compared to 890 lb lb for the Case IH Farmall 40A.
Which has more three-point hitch lift capacity, the Case IH Farmall 40A or the Case IH Farmall 45C?: The Case IH Farmall 45C leads on 3-pt lift (24 in) at 2,756 lb lb, compared to 1,596 lb lb for the Case IH Farmall 40A.

More Head-to-Heads

Category Verdict

Spec	Case IH Farmall 40A	Case IH Farmall 45C
Engine HP (hp)	40 hp	▲ 45 hp
PTO HP (hp)	34.8 hp	▲ 36 hp
Weight (lb)	3,053 lb	▲ 3,770 lb
Loader Lift (lb)	890 lb	▲ 1,830 lb
3-Pt Lift (24 in) (lb)	1,596 lb	▲ 2,756 lb
Lift Height (in)	98 in	▲ 112 in
Breakout Force (lbf)	1,900 lbf	▲ 3,114 lbf
Hydraulic Flow (gpm)	13.3 gpm	▲ 13.5 gpm
Travel Speed (mph)	14.8 mph	▲ 17.9 mph

The headline numbers at a glance.

Case IH Farmall 40ACase IH Farmall 45C

Engine HPhp

40 hp

▲45 hp

PTO HPhp

34.8 hp

▲36 hp

Weightlb

3,053 lb

▲3,770 lb

Loader Liftlb

890 lb

▲1,830 lb

3-Pt Lift (24 in)lb

1,596 lb

▲2,756 lb

Share↓ Image 𝕏 f ✉

Full Spec Sheet

Every published spec, side by side, including the details the graphs above don't chart.

Spec	Case IHFarmall 40A	Case IHFarmall 45C


Engine Manufacturer	LS Mtron	LS Mtron
Engine Model	Not Published	L3C19-T
Engine Type	3-cylinder, turbocharged diesel, Tier 4 B/Final	Diesel, 3-cylinder, turbocharged
No. of Cylinders	3	3
Displacement	114.7 in³	115.9 in³
Rated Engine Speed	2600 rpm	2600 rpm
Engine Power (Gross)	40 hp	45 hp
PTO Power	34.8 hp	36 hp
Engine Emissions Constraints	Tier 4	Tier 4
Cooling System Type	Not Published	Liquid-cooled
Air Cleaner	Not Published	Replaceable dry element
Fuel System	Not Published	Common rail direct injection
Alternator	85 A, 12 V	70 A

Pump Type	Not Published	Not Published
Implement Flow	8.4 gpm	8.2 gpm
Steering Flow	Not Published	5.3 gpm
Total Hydraulic Flow	13.3 gpm	13.5 gpm (8.2 + 5.3, computed)
Overall Hydraulic Pump Flow	Not Published	Not Published
Hydraulic System Type	Open center	Open center
Rear Remote Hydraulic Flow	Not Published	Not Published
No. of Standard Remote Valves	0	1
No. of Optional Remote Valves	3	2

Fuel Tank Capacity	12.6 gal	10.5 gal
Coolant Capacity	Not Published	Not Published
Crankcase Capacity	Not Published	Not Published
Transmission / Hydraulic System Capacity	Not Published	Not Published
Front Axle Fluid Capacity	Not Published	Not Published

PTO Type	Independent, electro-hydraulic engagement	Independent rear PTO, electro-hydraulic engagement
PTO Rear	540 rpm	540 rpm
Mid-PTO Availability	Not available	Optional, 2000 rpm
Category, 3-Point Hitch	Category I	Category I
Hitch Lift Capacity	Not Published	Not Published
Hitch Lift Capacity (at 24”)	1,596 lb	2,756 lb
Lift Control Type	Mechanical Draft Control (MDC)	Mechanical draft control (MDC)

Transmission Type	3-range hydrostatic (optional)	3-range hydrostatic (optional)
No. of Speeds	3 ranges	3 ranges
Max Travel Speed (Forward)	14.8 mph (with R4 tires)	17.9 mph
Max Travel Speed (Reverse)	Not Published	Not Published
Clutch	n/a (no clutch on hydrostatic)	n/a (no clutch on hydrostatic)
Differential Lock & Limited Slip Options	Mechanical differential lock	Mechanical differential lock

Frame Type	Not Published	Not Published
Steering	Not Published	Power steering
Brakes	Not Published	Wet multi-disc
Seat Suspension & Adjustability	Adjustable suspension seat	Deluxe seat with armrests and an adjustable backrest
Front Axle Type	Mechanical Front Drive (MFD)	Mechanical Front Drive (MFD)
Front Axle Rating	Not Published	Not Published
Drawbar Capacity	Not Published	Not Published

Overall Width	66.5 in	69.1 in
Wheelbase	66.2 in	73.2 in
Ground Clearance	Not Published	Not Published
Min. Turn Radius without Brakes	10.5 ft	Not Published
Height to Top of ROPS	96.2 in	97.1 in
Height to Top of ROPS (folded)	74.2 in	78.6 in
Height to Top of Cab Model	Not Published	Not Applicable
Overall Length	119.4 in	128.1 in

Tractor Weight (Base)	3,053 lb	3,770 lb
Weight with ROPS and Loader	Not Published	Not Published
Weight with Cab and Loader	Not Published	Not Published

Tire Size & Options	R1 Agricultural, R3 Turf, or R4 Industrial	R1 Agricultural; R3 Turf; R4 Industrial
R1 Agricultural - Front	7x14	9.5-16
R1 Agricultural - Rear	11.2x24	13.6-24
R3 Turf - Front	25x8.50-14	28x8.50-15
R3 Turf - Rear	41x14.00-20	41x14.00-20
R4 Industrial - Front	25x8.50-14	12-16.5
R4 Industrial - Rear	43x16.00-20	17.5L-24

Quick Attach Loader System	Not Published	Quick-Attach faceplate; mid-mount frame for fast loader connect and disconnect (L360A)
Loader Model	L340A	L360A
Loader Lift Height	98 in	112 in
Loader Lift Capacity (Full Height)	890 lb at 31.5 in. forward of pivot pin	1,830 lb at 31.5 in. forward of pivot pin
Loader Breakout Force	1,900 lb	3,114 lbf

Warranty Length & Coverage	Basic 2 years; powertrain 4 additional years (6-year total)	Basic 2 years; powertrain 4 additional years (6-year, 72-month total)

Find a Case IH dealer near you

Case IH Farmall 40A vs Case IH Farmall 45C: Quick Answers

Which has more horsepower, the Case IH Farmall 40A or the Case IH Farmall 45C?

The Case IH Farmall 45C leads on engine hp at 45 hp hp, compared to 40 hp hp for the Case IH Farmall 40A.

Which has more PTO horsepower, the Case IH Farmall 40A or the Case IH Farmall 45C?

The Case IH Farmall 45C leads on pto hp at 36 hp hp, compared to 34.8 hp hp for the Case IH Farmall 40A.

Which is heavier, the Case IH Farmall 40A or the Case IH Farmall 45C?

The Case IH Farmall 45C leads on weight at 3,770 lb lb, compared to 3,053 lb lb for the Case IH Farmall 40A.

Which has more loader lift capacity, the Case IH Farmall 40A or the Case IH Farmall 45C?

The Case IH Farmall 45C leads on loader lift at 1,830 lb lb, compared to 890 lb lb for the Case IH Farmall 40A.

Which has more three-point hitch lift capacity, the Case IH Farmall 40A or the Case IH Farmall 45C?

The Case IH Farmall 45C leads on 3-pt lift (24 in) at 2,756 lb lb, compared to 1,596 lb lb for the Case IH Farmall 40A.

Case IH Farmall 40A vs Case IH Farmall 45C

Category Verdict

Full Spec Sheet

Case IH Farmall 40A vs Case IH Farmall 45C: Quick Answers

More Head-to-Heads

More in the resource center

Look up a tractor

Side-by-side comparison

The Netflix of tractor videos

Tractor guides and articles

Case IH Farmall 40A vs Case IH Farmall 45C

Category Verdict

Full Spec Sheet

Case IH Farmall 40A vs Case IH Farmall 45C: Quick Answers

More Head-to-Heads