If you need light on site, look no further than the Stephill SLT 6000D2 Lighting Tower.
This machine will provide light in the darkest areas and the new version is now twice as bright.
Standard Features : 
Now twice as bright with 1000W Metal Halide bulbs
1 x 1000W 230V/ 5.5MT easy detachable 4 section stainless steel mast
Stainless Steel winch cable
26 Hours run time
Quick and easy mast erection
Fully adjustable stabiliser legs
Electric Start Yanmar diesel engine with direct injection
High engine temperature shutdown
Low oil pressure shutdown and low fuel shutdown
Acoustic cabinet with large access hood for ease of maintenance
High efficiency exhaust silencer
Industrial duty two wheeled trolley frame complete with lifting eye and front protective bull bar
Brushless maintenance free Markon NAC alternator with exceptional component design quality
Dual voltage output complete with overload protection
Centre tapped to earth (CTE 115V)
Integral 24lt fuel tank giving up to 26 hours running at 75% load
Compact design and lightweight in its class
See the full specifications here http://www.genpoweruk.co.uk/Stephill_SLT6000D2_Diesel_Lighting_Tower.html