Standard Tractor Specifications
- Two 10 hp variable speed wheel motors for 60 peak traction hp
- Separate 500 to 2,000 rpm PTO motor sized for applications from 10 hp to
40 hp will run all standard Category I implements
- On-board 5 kWh battery pack for all day light duty application, like
planting/harvesting
- Standard Category I front and rear 3-Pt. hitches, each use two 1,500 lb.
capacity linear actuators
- Adjustable seat with forward/reverse and steering, as well as PTO and
3-Pt. hitch controls on arm rest
- Total weight under 2,000 lbs.
- 11" x 24" traction wheels
- 5.5" x 16" steering wheels
- Overall dimensions: 126" length, 87" height, 48" to 72" adjustable width
- 0 radius steering
- 20" ground clearance
Performance
Combustion engines are less than 15% efficient at converting fuel energy
into work. Electric motors have efficiencies of over 90%. The fact that
electric motors don't idle makes them 10 times more efficient than
combustion engines. Electric tractors also don't have the daily maintenance
costs associated with combustion engines.
- The 5 kWh on-board battery pack will power the tractor all day for light
duty applications. It will power a 48" mower for 2 hours and a loader of
forklift for about 3 hours. A 1 kW PV array will recharge the on-board
battery pack in one day.
- The cost of charging the 5 kWh battery pack at $.10 per kWh is
approximately $.50 which is a fraction of the daily operating cost of a
diesel tractor.
- The 10 kWh Auxiliary Battery Pack will power the tractor when used as a
loader or forklift all day. It will power a 72" mower for 3 hours and a 48"
rototiller for 2 hours. It will pull a one bottom plow for about 4 hours.
The 4 kW PV roof will charge the 10 kWh Battery Pack in about half a day.
- The 20 kWh Auxiliary Battery Pack will power a one bottom plow all day, a
72" mower for 6 hours, and a 48" rototiller for 4 hours. It will power an
energy efficient home for 4 days. The 4 kW PV roof will charge the 20 kWh
Auxiliary Battery Pack in about one day.
- All day operation can be achieved for any implement with 2 Auxiliary
Battery Packs.
- Uni-Solar unbreakable triple junction thin film amorphous technology pays
back the energy of manufacture in about 2 months of use.
- Uni-Solar PV roofing converts about 6% of the solar radiation striking
the panel into electricity.
The cost for the standard tractor in small quantities is $25,000. This price will drop to $15,000 when tractor production is over 1,000 units per year.
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Options and their Cost | |
Remote Control Seat |
$10,000 | |
300 Watt PV Canopy |
$ 2,500 | |
Video/Monitor |
$ 4,000 | |
1 kW PV Canopy |
$ 8,000 | |
10 kW Battery Pack |
$ 3,000 | |
Solar Tracker |
$ 1,500 | |
20 kW Battery Pack |
$ 6.000 | |
2 kW PV Roof |
$18,000 | |
Dump Bed |
$ 2,500 | |
4 kW PV Roof |
$28,000 | |
Planter/Harvester System |
$ 500 | |
220 Volt Fast Charger |
$ 1,000 |
Performance
- The 5 kWh on-board battery pack will power the tractor all day for light duty applications. It will power a 48" mower for 2 hours and a loader of forklift for about 3 hours. A 1 kW PV array with tracker will recharge the on-board battery pack in one day.
- The cost of charging the 5 kWh battery pack from the utility grid is approx. $.50.
- Auxiliary Battery Packs are self loaded by the 3-pt. hitch and balance implement weight.
- The 10 kWh Auxiliary Battery Pack will power the tractor when used as a loader or forklift all day. It will power a 72" mower for 3 hours and a 48" rototiller for 2 hours. It will pull a two row cultivator for about 4 hours. The 10 kWh battery pack is charged by the 2 kW PV Roof in one day, or in 2 hours from the grid using the 220 V fast charger.
- The 20 kWh Auxiliary Battery Pack will power a two row cultivator all day, a 72" mower for 6 hours, and a 48" rototiller for 4 hours. It will power an energy efficient home for 4 days. The 4 kW PV roof will charge the 20 kWh Battery Pack in one day.
- All day operation can be achieved for any implement with 2 Auxiliary Battery Packs.
- Uni-Solar unbreakable triple junction thin film amorphous technology pays back the energy of manufacture in about 2 months of use.
- Uni-Solar PV roofing converts about 6% of the solar radiation striking the panel into electricity.
The ultimate measure of our performance on this earth is the legacy we
leave. Sustainability and positive evolution both demand efficient and
equitable use of resources, completion of natural cycles and maintenance of
air and water quality and soil fertility. Photovoltaics are 30 times more
efficient at producing electricity than biofuels, and billions of times
more efficient than fossil fuels if the amount of solar energy that it took
to produce the fossil fuel is considered. Intensive agricultural production
in the developed world consumes about 200 gallons of diesel per acre. The
solar electric tractor's energy consumption will be measured in days of
sunshine.
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