D15 series 2 gas vs diesel
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=175171
Printed Date: 24 Aug 2025 at 5:33pm
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Topic: D15 series 2 gas vs diesel
Posted By: Jsmittyd10
Subject: D15 series 2 gas vs diesel
Date Posted: 14 Oct 2020 at 6:18pm
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I know that the d15 gas and propane engines gained substantial power when the series 2 tractors were released and that the diesel stayed the same but for those of you that have owned both or at least ran both, does the diesel make up for the lack of horse power with better torque output or is there a highly noticeable difference between the two different engines under full load? ------------- Absolutely love Allis Chalmers tractors D17 s4, D10 s3, D15 s2, 720, D17 forklift, 6080 2wd with cab, I40 backhoe, d12 industrial with backhoe and loader |
Replies:
Posted By: DiyDave
Date Posted: 14 Oct 2020 at 7:25pm
A series 2 D-15 Gas will put out 46 HP, where a series 2 diesel still had only 36... ------------- Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need! |
Posted By: Jsmittyd10
Date Posted: 14 Oct 2020 at 8:01pm
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I fully understand that I was just trying to get an on hand account as to if the diesel was similar in capabilities because of the diesels better torque or if it was just all around weaker than the gas. ------------- Absolutely love Allis Chalmers tractors D17 s4, D10 s3, D15 s2, 720, D17 forklift, 6080 2wd with cab, I40 backhoe, d12 industrial with backhoe and loader |
Posted By: DSeries4
Date Posted: 14 Oct 2020 at 8:46pm
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AC didn't have a way to get the diesel up to 46 hp. So nothing changed on the diesel engine from the series 1. Series 2 D15 diesel just incorporates the cosmetic changes that were made from 1 to 2. Nothing mechanical. ------------- '49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080 |
Posted By: Alex09(WI)
Date Posted: 14 Oct 2020 at 10:26pm
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I had a D15 diesel engine in a I600 tractor once. That thing had power! Used it on my neighbors feed mixer one evening. Dull red flame showing out the top of the 4ft tall straightpipe. Not joking. Given the choice, I would prefer the diesel engine. Have run gas series II's since then and the governors are snappier. ------------- www.awtractor.com A&W TRACTOR 920-598-1287 KEEPING ALLIS-CHALMERS IN THE FIELDS THROUGH THE 21ST CENTURY |
Posted By: bozrae
Date Posted: 15 Oct 2020 at 7:12am
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I've had both a gas and diesel series 2 and still have the diesel. I thought torque of the diesel made it feel like a more powerful engine than the gas. It seemed like when plowing with a 2 bottom plow in tough clay soil the diesel would just hang in there and pull. ------------- D15D, D17G, 170G, 175D, and two 5050FWA |
Posted By: Claude54
Date Posted: 29 Oct 2021 at 6:04pm
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Any chance ur series2 diesel is go sale? |
Posted By: bozrae
Date Posted: 29 Oct 2021 at 7:05pm
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Sorry, it's not for sale ------------- D15D, D17G, 170G, 175D, and two 5050FWA |