I've been using T6, 5w-40 in my Terex diesel mini-excavator for four years. Cool runner and easy starts in cold weather. No engine problems or abnormal noises. Price is good with the rebate program. As an aside, I'm wondering if the motorcycle guys may have a "wet" clutch which normally requires a NON-synthetic oil.

I do my own oil changes and have been trying to find a better way to purchase the oil I needed for my truck, this is perfect, price is better than you can get anywhere, even for the 2.5 gallon container, and shipped to my door within a few days of ordering. I highly recommend shell Rotella, I have been using it for years in my old 7.3l power stroke and now getting this new t6 blend for my 6.7l powerstroke

This Shell Rotella T6 5w-40 Synthetic engine oil is both a quality product and very affordable for 4-stroke motorcycles which use 10w-40 conventional engine oil. After the auto supply store where I had bought conventional oil for my motorcycle raised the price to an outlandish level I found this very reasonably priced Shell Rotella synthetic oil at Walmart, and it is has the JASO-MA rating which indicates that it is also formulated for wet clutch motorcycles. I have been using it in my Kawasaki Vulcan 900 Classic LT for some time with zero oil consumption, and on my oil pressure gauge it registers according to the Kawasaki shop manual spec regarding pressure.

bike is a 2008 Suzuki Boulevard C90...Perfect. Great clutch feel and shift effort is nil. No ticking in the engine. and the cost is amazing. And on my 2016 Ram EcoDiesel, the factory oil was running almost one hundred dollars (10.5Qt required), now that Ram said "OK" to Rotella, im down around 60US! Awesome

I use Rotella T6 in almost everything I own and have owned in the past. Its in my Toyota 4Runner, Its in my sons Kawasaki KX65 two-stroke, Its in my my Honda CRF450R, and also my CRF150R, Its in my lawnmower, and Its in my 4-stroke weed eater. It also does not cause any clutch slippage in wet clutches. I don't use it in my Tundra and Honda Odyssey because its not the right viscosity but I wish I could. I've used T6 exclusively for years in all my engines and never had a problem or any signs of wear.

My cummins has a PCV system which is simply a tube discharging to atmosphere around the oil pan. (04 common rail). There's no significant blowby - but after running the truck and coming to a stop - the smell of the offgassing engine oil is potent. Has that smell of gear oil. So when I come to a stop - I have to turn the HVAC off - otherwise it'll stink up the cab. A quick internet search found "RoSmella" as the common nickname... Ha ha! I hoped it would go away after a few miles - but at 2000 miles so far - it still stinks. I'll have to try something else next time. From a lubrication/functionality standpoint - it seems to be just fine.

Have been running T-6 5W40 since 2011. Never had an issue getting the oil. Now I have had my first oil change in my 6.7 PSD and had to use Mobil Diesel oil. 5,000 miles in and can hear a difference in the sound of the engine. So, shell when I get my oil sample back will you still honor your engine warrant since I was not able to get your oil ? Yes seriously I miss your oil and hurry the heck up and get t-6 to us!!

I use it in a 2007 Honda Rancher ES and it always starts right up like a champ. No slippage nothing I can't complain. I drive this bike hard and change the oil once per year or longer. Checked it the other day after like 13 months still looks ok could use a change so I'm going to do it. I'll probably use Rotella T6 again. It seems to be good stuff.

I been running this in all my cars and trucks, ATV for many years. My 2007 Chevy Cobalt I drive the most and it has 160,000 miles and I been running this oil since 60,000 miles, starts great in Minnesota winters and I never replaced anything except brakes

I did experience some slippage of gear / I guess my bike got spoiled by $20 -$35 a quart.. For 1/4 the price - I now can afford Shell Premium Gas prices... I use to drive 20+ miles just to save a $1 a gallon for gas. (Also, enjoyed the ride to finding these unknown -gas stations, but now that more bikers are getting killed from distracted drives - I stay off the road during heavy traffic)