Utility tractorsSpec sheet
Barreiros 40.45
The Barreiros 40.45 is a compact and efficient 2WD tractor designed for various farming tasks. It features a 4x2 chassis and a manual transmission with 10 forward gears and 2 reverse gears, offering good flexibility for different field operations. Under the hood, the 40.45 is powered by a Barreiros A45 engine. This 3-cylinder diesel engine is liquid-cooled and has a displacement of 153 cubic inches. It produces 40 horsepower, making it suitable for small to medium-sized farms. The tractor weighs 4,850 pounds, providing a good balance between power and maneuverability. It comes with an electric starter and a 12-volt electrical system for reliable operation.
Image not recorded
Key specifications
- Category
- Utility
- Engine power
- 40hp
- Operating weight
- 4,850 lb
- Transmission
- Manual
Category comparison
40.45 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
40 hp · 33rd
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The 40.45 ranks at the 33rd percentile for engine power among recorded utility tractors.
Overview
About the Barreiros 40.45
The Barreiros 40.45 is a compact and efficient 2WD tractor designed for various farming tasks. It features a 4x2 chassis and a manual transmission with 10 forward gears and 2 reverse gears, offering good flexibility for different field operations. Under the hood, the 40.45 is powered by a Barreiros A45 engine. This 3-cylinder diesel engine is liquid-cooled and has a displacement of 153 cubic inches. It produces 40 horsepower, making it suitable for small to medium-sized farms. The tractor weighs 4,850 pounds, providing a good balance between power and maneuverability. It comes with an electric starter and a 12-volt electrical system for reliable operation.
Full specifications
Recorded specifications
General
| Manufacturer | Barreiros |
|---|---|
| Model | 40.45 |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Operating weight | 4,850lb(2,200 kg) |
Engine
| Make | Barreiros |
|---|---|
| Model | A45 |
| Power | 40hp(29.83 kW) |
| Cylinders | 3 |
| Displacement | 153ci(2.51 L) |
Transmission
| Type | Manual |
|---|---|
| Forward gears | 10 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
Dimensions
| Operating weight | 4,850lb(2,200 kg) |
|---|
Closest alternatives
40.45 compared with the nearest models by horsepower
By engine horsepower, the nearest utility models to the 40.45 are the Barreiros 4000V and the Massey Ferguson 1740M. The Barreiros 4000V matches it on rated power and weighs 1,410 lb less, carrying 86 lb per horsepower against 121 lb. The Massey Ferguson 1740M matches it on rated power and weighs 1,480 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. Of the 3 models, the 40.45 has the highest weight per horsepower at 121 lb per hp.
| Spec | Barreiros 40.45 | Barreiros 4000V | Massey Ferguson 1740M |
|---|---|---|---|
| Engine power | 40 hp29.8 kW | 40 hp29.8 kW | 40 hp29.8 kW |
| Operating weight | 4,850 lb2,200 kg | 3,440 lb1,560 kg | 3,373 lb1,530 kg |
| Weight per hp | 121 lb/hp74 kg/kW | 86 lb/hp52 kg/kW | 84 lb/hp51 kg/kW |
| Displacement | 153 ci2.51 L | 153 ci2.51 L | 101.4 ci1.66 L |
| Cylinders | 3 | 3 | 3 |
| Transmission | Manual | Manual | Shuttle |
| Drive | 2WD | 2WD | MFWD |
Calculators
Calculators for the 40.45
PTO power
About 33 to 36 PTO hp
Estimated from the 40 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 40 hp tractor can run
Maximum size is about a 5 ft rotary cutter or a 4 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
141 lb per PTO hp as listed
The calculator gives the target weight and front/rear split for each job.
Units
40 hp is 29.8 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
40.45 vs. Utility median
Barreiros 40.45 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 40 hp | 55 hp | -27% | 33rd |
| Engine Displacement | 153 ci | 183 ci | -16% | 41st |
| Cylinders | 3 | 4 | -25% | 23rd |
| Forward Gears | 10 | 12 | -17% | 39th |
| Operating Weight | 4,850 lb | 5,303 lb | -9% | 46th |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 4,941–5,720 models).
Same manufacturer
Other Barreiros models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
How much horsepower does the Barreiros 40.45 have?
The Barreiros 40.45 produces 40 hp from its 3-cylinder engine. Engine displacement is 153 ci.
How much does the Barreiros 40.45 weigh?
The Barreiros 40.45 weighs about 4,850 lb in operating condition.
What transmission is in the Barreiros 40.45?
Transmission on the Barreiros 40.45 is Manual, with 10 forward speeds.
What maintenance does the Barreiros 40.45 require?
The Barreiros 40.45 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.