Compare/Bolens 84/440 vs Bolens Sprint TW-315
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Bolens 84/440 vs Bolens Sprint TW-315

Verdict: Bolens 84/440 vs Bolens Sprint TW-315

The Bolens 84/440 and the Bolens Sprint TW-315 are both snowmobiles — here is how they stack up on the figures that matter. Bolens 84/440 leads on rated power with 40 hp against 20 hp. Bolens Sprint TW-315 is the lighter machine (158 kg vs 161 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Bolens Sprint TW-315 holds more fuel (22.7 L vs 18.9 L) for longer stints between fills. Bolens 84/440 is the newer design (1972 vs 1970). In short: choose the Bolens 84/440 for outright pulling power, or the Bolens Sprint TW-315 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
Bolens 84/440 Snowmobile
Bolens
62
Fit score
Best match
Clear
Bolens Sprint TW-315 Snowmobile
Bolens
62
Fit score
Best match
Clear
Rated power
40 hp
20 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
BolensReference
BolensReference
air-cooled horizontal-shaft inlineReference
air-cooled horizontal-shaft inlineReference
Suspension
slide railReference
bogie wheelReference
Engine
Fuel tank
18.9 LReference
22.7 LReference
Displacement
26.42 ciReference
19.22 ciReference
Bore/Stroke
64 x 68 mmReference
60 x 55 mmReference
Power
29.8 kWReference
14.9 kWReference
Fuel system
Tillotson HD94A carburetorReference
dual Tillotson HL-279A carburetorsReference
Cooling system
axial fanReference
Rated RPM
6500Reference
Starter type
manual recoilReference
manual recoilReference
Sparkplug
Champion L-81Reference
Sparkplug gap
0.635 mmReference
Dimensions
Weight
161 kgReference
158 kgReference
Length
261 cmReference
261 cmReference
Width
81 cmReference
81 cmReference
Ski track width
76 cmReference
Track width
39 cmReference
39 cmReference
Height
109 cmReference
Track length on ground
101 cmReference
Track area on ground
0.8 m²Reference

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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