Claas Ares 657 Power
|Engine (net):||123.2 hp 91.9 kW|
|Chassis:||4x4 MFWD 4WD|
|Cab:||Claas ATZ cab with air-conditioning and suspension.|
|Transmission:||24-speed power shuttle|
|Pressure:||2900 psi 200.0 bar|
|Pump flow:||15.85 gpm 60.0 lpm|
|26.4 gpm 99.9 lpm *Optional|
|29.1 gpm 110.1 lpm (PFC)|
Power Take-off (PTO)
|John Deere DPS 6068|
|Displacement:||414.2 ci 6.8 L|
|Bore/Stroke:||4.19x5.00 inches 106 x 127 mm|
|Rated Power (ECE R24):||123.2 hp 91.9 kW|
|Maximum Power (ECE R24):||130.2 hp 97.1 kW|
|Torque:||390.9 lb-ft 530.1 Nm|
|Gears:||24 forward and reverse|
|Wheelbase:||111 inches 281 cm|
|Length:||203.2 inches 516 cm|
|Height:||118.5 inches 300 cm|
|Weight:||11089 lbs 5029 kg|
|Max weight:||19400 lbs 8799 kg|
The Claas Ares 657 is a robust tractor known for its performance and reliability. However, like any machinery, it can encounter issues over time. One common problem faced by owners is engine trouble, leading to rough running and excessive black smoke. In this article, we will delve into a user's experience with a Claas Ares 657 and explore the steps taken to diagnose and potentially resolve the issue.
Starting Point: A Rough-Running Engine
The owner of a 2006 Claas Ares 657 with a John Deere engine noticed that the tractor started correctly but ran roughly, accompanied by horrendous black smoke when revving the engine. This issue raised concerns, as it significantly impacted the tractor's performance. Various checks were conducted to identify the root cause.
Initial Checks: Air Filters and Injectors
To address the problem, the owner began by inspecting the air filters and other components. The air filters appeared to be in good condition, eliminating them as the cause of the issue. Despite this, the tractor continued to exhibit rough running and excessive black smoke.
Injectors were the next item on the checklist. The owner decided to replace all six injectors, hoping that this would resolve the issue. However, even after this replacement, the tractor still ran roughly and produced black smoke when revved.
Further Investigation: Turbocharger and Fuel Pressure
Frustrated by the ongoing engine problems, the owner and other users on a forum shared their insights and troubleshooting suggestions. One user suggested examining the turbocharger. Upon inspection, it was discovered that soot had accumulated on the exhaust side of the turbo, restricting the impeller's movement.
To address this issue, WD-40 was applied to the turbo, allowing the impeller to spin freely again. This action significantly reduced black smoke emissions at idle. However, the tractor still exhibited rough running.
Theories and Speculations
Forum users and tractor enthusiasts shared various theories regarding the rough running of the Claas Ares 657:
Fuel Quality: Poor-quality or contaminated fuel can affect engine performance. Ensuring clean and high-quality fuel is essential.
Injection Pump: There was speculation that the injection pump might be delivering excess diesel, leading to rough running and black smoke.
Exhaust System: A dislodged exhaust pipe connecting to the air filter could potentially contribute to the problem.
Compression Test: Some users recommended performing a compression test to assess the engine's health.
External EGR: The absence of an external Exhaust Gas Recirculation (EGR) system in this model was noted as it might affect engine performance.
Diagnosing engine problems in the Claas Ares 657 can be a complex process. In this case, the owner's initial efforts to address the issue involved inspecting air filters, replacing injectors, and addressing turbocharger restrictions. While some improvements were observed, the tractor still exhibited rough running and black smoke.
With various theories and speculations, it became evident that further investigation, testing, and possibly professional assistance were needed to pinpoint and resolve the root cause of the engine problem. The owner's determination to get the Claas Ares 657 back in top shape highlights the commitment of tractor enthusiasts to keep their equipment running smoothly and efficiently.