On 10/2/07, Randall <tr3driver@ca.rr.com> wrote:
> > Which could run my whole house (would I need to use the car
> > lift during a power outage? 8>) ) But it's rated for a 47 HP
> > tractor and I only have 45hp.
>
> If your tractor is rated for 45hp at the PTO, then it's engine puts out a
> fair amount more than that. Since the ad specifically said "48hp *engine*"
> ...
>
> Seriously, being a little underpowered just means you can't use the last few
> Kw of output capacity. Keep the load below max and you should be fine.
>
The rule of thumb for these things is 2HP, at the PTO shaft, per 1kW.
That's 66% input efficiency; the northern one is claiming 75%, which
is unlikely, at best.
--
David Scheidt
dmscheidt@gmail.com
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