TRANSMISSION INCLUDES THE FOLLOWING:
The Category 4
The SunCoast Category 4 E4OD transmission includes our bushing kit, TransGo Tugger Kit, solenoid pack, 45 element intermediate sprag, intermediate band, billet 300 maraging input shaft, billet forward clutch drum, billet intermediate shaft, and dual-load center support.
The Clutch Kit
This new E4OD transmission includes Alto Red Eagle clutches along with Kolene steels.
Red Eagle Friction is the go-to material for most performance applications. The lining has a unique dual-saturation, which imparts high friction coefficients and high heat resistance. Red Eagle clutches are designed to limit the amount of "slip" by providing a shorter lock-up time, generating less heat.
The proprietary process starts with the friction paper saturated in a phenolic resin, cured, and then saturated a second time in a silicate. The silicate imparts high heat resistance.
Red Eagle clutches:
The Intermediate Sprag
The factory sprag in the E4OD transmission unit is notorious for failing when exposed to high levels of fatigue. This could include vehicles exposed to heavy towing or hauling or just higher-than-normal torsional fatigue. These factory sprags are typically 24- or 34-element sprags. In all SunCoast builds, these are replaced with heavy duty 45 element sprags. This is an increase of up to 53% over the factory, offering unmatched performance and ensuring that premature failure does not occur.
Transgo Valve Body Calibration Kit
The valve body is the central nervous system of your transmission. Everything that transpires within the unit begins here. In our SunCoast builds, we exclusively use the TransGo HD2 Tugger Kit. This valve body calibration kit is perfect for exhaust braking and doubles the low clutch holding pressure in manual first gear for reliable downhill braking. You also have the ability to adjust shift firmness to your desired preferences. With the improved converter feed capacity, you benefit with better cooling and lubrication.
New Solenoid Pack
The E4OD is equipped with a solenoid pack that controls shifting from gear to gear. This solenoid pack is comprised of electromagnetic solenoids. The integrity of these solenoids is imperative, as the flow rate and spray pattern could affect shift quality and clutch life. When failure occurs within the unit, it is not uncommon that the same particles and sediments you find in the bottom of the pan are also in the solenoids. This contamination of the solenoids can and will affect the fluid delivery to critical circuits within the unit.
In this SunCoast E4OD transmission, we replace the solenoid pack with a new one to ensure consistent shifts and long clutch life.
New Bushing Kit
As with any standard rebuild, this E4OD transmission also includes a new bushing kit, which also includes a new front pump bushing.
This SunCoast Category E4OD Transmission also includes a new carbon fiber band. This band is used in manual second gear and during downshift engine braking. The carbon fiber material in this band is made to withstand a much higher heat range versus the factory material.
The Input Shaft
The input shaft on the E4OD platform has always been the first weak link to bear it's head once additional horsepower is applied. In this Category transmission the factory shaft is replaced with our 300 Maraging Billet Input Shaft.
The Forward Drum Upgrade
The Ford E4OD forward drum has been a sore spot for many E4OD owners for quite a few years. These issues date back to the earlier C-6 and E40D platforms with repeated spline failures and snap ring blow outs. In this SunCoast Category E4OD Transmission the factory forward drum is replaced with a new billet one. The E4OD billet forward drum is manufactured from 4140 heat treated stress relieved billet steel. This new drum corrects and eliminates the common issues with spline failure and snap ring blow outs.
Dual Load Center Support Upgrade
With the SunCoast E4OD dual load center support, the load is now shared with added bronze bearing at the front of the hub. This new bronze bearing stabilizes the loads and eliminates point loading. This improvement in load distribution prevents bearing failure while maintaining improved gear alignment. This is crucial in higher horsepower loads and situations with increased torsional fatigue.
Billet Intermediate Shaft
The Intermediate shaft, also called the center shaft, is the second weakest hard part within the E4OD Transmission next to the input shaft. In this Category E4OD transmission, we upgrade this shaft to a billet one. This new billet intermediate shaft is manufactured from 300m billet steel with upgraded splines. This is an ideal upgrade for diesels exposed to high torsional fatigue and heavy towing. This is a drop-in replacement part with no modifications necessary.
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