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Bolinder-Munktell 55 vs Bolinder-Munktell BM-21

Verdict: Bolinder-Munktell 55 vs Bolinder-Munktell BM-21

The Bolinder-Munktell 55 and the Bolinder-Munktell BM-21 are both tractors — here is how they stack up on the figures that matter. Bolinder-Munktell BM-21 leads on rated power with 43 hp against 37 hp. Bolinder-Munktell BM-21 is the lighter machine (2,674 kg vs 2,950 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Bolinder-Munktell 55 holds more fuel (129.8 L vs 74.9 L) for longer stints between fills. In short: choose the Bolinder-Munktell BM-21 for outright pulling power, or the Bolinder-Munktell 55 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
Bolinder-Munktell 55 Tractor
Bolinder-Munktell
62
Fit score
Best match
Clear
Bolinder-Munktell BM-21 Tractor
Bolinder-Munktell
62
Fit score
Best match
Clear
Rated power
37 hp
43 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
Bolinder-MunktellReference
Bolinder-Munktell (a part of Volvo)Reference
liquid-cooledReference
liquid-cooledReference
Total built
1256Reference
Engine
Fuel tank
129.8 LReference
74.9 LReference
Engine
34.6 kWReference
32.1 kWReference
Displacement
4.5 LReference
5.3 LReference
Bore/Stroke
105 x 130 mmReference
150 x 150 mmReference
Power
34.6 kWReference
32.1 kWReference
Compression
16.5:1Reference
Rated RPM
1500Reference
1050Reference
Starter volts
12Reference
24Reference
Oil capacity
10.0 LReference
10.5 LReference
Coolant capacity
18.0 LReference
22.1 LReference
Starter
electricReference
Transmission
Type
gearReference
gearReference
Gears
5 forward and 1 reverseReference
5 forward and 1 reverseReference
PTO & Hydraulics
PTO (claimed)
27.2 kWReference
Rear PTO Type
540 (1.375)Reference
540 (1.375)Reference
Engine RPM
540@1500Reference
Dimensions
Wheelbase
217 cmReference
205 cmReference
Weight
2950 kgReference
2674 kgReference
Front tire
7.50-18Reference
7.50x18Reference
Rear tire
14-34Reference
13x30Reference
Ag front
7.50-18Reference
7.50x18Reference
Ag rear
14-34Reference
13x30Reference
Length
344 cmReference
325 cmReference
Width
183 cmReference
182 cmReference
Ballasted weight
4240 kgReference
Ground clearance
42 cmReference
Front tread
133 cmReference
133 cmReference
Rear tread
145 cmReference
145 cmReference
Height (steering wheel)
184 cmReference
Height (hood)
151 cmReference
Electrical
Charging system
generatorReference
generatorReference
Battery volts
12Reference
6Reference
Batteries
4Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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