The leaves are starting to change colour. Every autumn I help my best friend (Simon) and his brother with thier grain harvest. I usually drive grain truck as the two of them run combines.

The canola was ready. Simon called and asked and asked if I was available Friday and Saturday. I checked with the Mrs, and we had no plans.

I drove down on Friday, and we were running on the rental quarter. They had an early start and we're well into it when I showed up to an almost full truck. A quick run to unload, and I was back again. It was a long busy day, but we finished up that 1/4 and brought the iron to the home 1/4 for Saturday.

As I was about to head over Saturday morning, the Mrs said she would like to come along. She was wearing a little sundress, and said she would visit and help Simon's wife. So we traveled down together.

When we got there we were told Simon's wife was not going to be home all day, so Mrs decided to ride in the truck with me. Soon she got bored and decided to start teasing the boys. While I was unloading she decided to remove her bra, and hang it on the passengers mirror like a flag. Of course I noticed her nipples poking through her dress as soon as I got back in the truck. Then I saw her red bra on the mirror...you could probably see it for a half mile against the white truck.

As I reenter the field, a call came on the radio, Simon was ready to unload. As we pulled along side, Simon spotted her bra.

"Mrs, would you like to come see how to run a combine?".

She looked at me with a glimer in her eye. Took the radio and said, "Yes please!"

"Grab your flag to hang on here, and come on over".

I watched her titties bounce as she climbed out of the truck, grabbing her flag, and bounding over to Simon's combine.

Then another call on the radio, "I could use a grain truck in the bottom corner", and I was off to get Simon's brothers canola.

After emptying the second combine, I went to unload at the bins. As I drove back into the field I saw Simon heading south towards me again. A cloud of dust enveloped the combine, but I could see the red bra waving off the top. As they git closer I could see my Mrs had somehow lost her dress. Sitting proud beside Simon in the buddy seat, tits bouncing as the traveled across the field. I watched as they came to the end of the row, near where I was parked. Mrs waved to me, and got up from her seat as they turned to head north. No longer able to see them I wondered what she was up to.

Then over the two way, "are you sure he can't see us?" Simon had keyed the mic.

"Nobody can see us" Simon replied...but we could hear them!

Then the sound of some rustling as the combine turned to the side.

"I need your pants down to your ankles!" Mrs was demanding of Simon. "That is better!", "oh my, your happy to see me"

Then Simon moaned into the mic. He must have lowered it closer to my wife, as I could hear the familiar sloppy sounds of her sucking cock. Another moan from Simon, followed by a "fuck yeah, suck it babe". Then a little gag sound as she must have taken all of him.

"Hurry up" she said, " we will have to turn around soon". And with that Simon grunted as it was Mrs turn to take a load of seed.

As they turned to head back, the radio went silent, and I could just make out her getting back into her seat.

As they got to my end, she jumped out of the combine, caring her dress and bra, and jumped back into the truck...hanging her flag on the mirror again.

Then a call came on the radio, Simon's brother asked if she wanted to try his combine. She slipped her dress back on, and rolled down the window to grab her bra to put back on. I told her no, and to leave it and her panties in the truck for me. I drove her down to the part of the field Simon's brother was working on. She bounded over to his machine, and climbed aboard.

As they drove away Simon came on the radio, saying her was ready to unload. I asked if he didn't just do that? I noticed that Mrs was sitting on Simon's brothers lap, and not the buddy seat as I grabbed agear to head towards Simon.

Simon stopped to unload, and I went over to talk to him. He had a shit eating grin on his face. "Thanks for bringing Mrs, she is always fun to have around". I called him an asshole, and said I will have the last laugh. He said his brother would be a while to unload, and I should go for a lap with him.

As we started back off, we could see his brother's combine working towards us. Mrs wasn't on his lap, and she wasn't dresses again, then Simon turned up his radio, and we could hear his brother, "no really, you have beautiful tits. Let me feel them. So soft and heavy...and your nipples are so hard."

"Do you really like them?", then "Did you know I like to give blowjobs?"

"No, I had no idea"

"Would you mind?"

"Please!"

And then the sound of a zipper opening, "oh my....your aren't Simon's little brother are you?" "This is going to be a challenge"

Then the all to familiar sloppy sounds. Mrs was busy and hadn't noticed that the brothers had skipped a few rows, and were now running beside eachother. Simon and I watched as my wife made his brothers cock disappear. Bobbing her head to the rhythm of the bumps in the field. With a pop, she pulled him from her mouth, and looked up at his brother.

"I need to ride this!", and as she turned to sit on his lap again, she realized that she was being watched. "Oh shit. How long have they been there?"

We just waved as we neared the end on the row, having to turn, and be further apart to pick up a new row.

"Stop for a minute, let them get ahead"

And they did...but we could still hear her moan as she sat on his fat cock.

"That's a good girl...all the way down"

"OH fuck, you feel so good"

You could hear how wet she was, and the sound oh her slapping against him with her every bounce. Then the bouncing stopped, and I knew she must be close to orgasm, and she likes to grind and not trust as she cums.

Just as I was expecting to hear her cum, we got along side the truck, and I jumped out. Racing to the truck radio to hear her finish. But I was too late. All I heard was, "ready for the grain truck"

And I was off across the field for him to unload.

Mrs climbed back into the truck. Not bothering to put her dress on. She put her right foot on the dash, and turned to face me. She was playing with a nipple and rubbing her pussy.

"I want one more load", and with that I keyed the mic for the boys as she blew me on the way to the bins. I was sure to be extra vocal.

After a quick unload we headed back to the field. I parked in the middle and both combines were heading towards us. I jumped out of the truck, and grabbed Mrs from the passage side. I lead her to the front of the truck, and bent her over. She grabbed the bumper with her ass pushed out. With one quick stroke I was balls deep in her, grabbing her hips I ficked her like an animal. I started to grunt as I was near, and withdrew from her wet pussy. Walked in front of her, and she opened her mouth. Taking me to the root she let out a little moan. The vibrations in her throat pushed me over the edge, and I drained my nuts into her.

Ever since then Mrs has been invited to help with harvest too.