CX28 On-Highway Transmission Caterpillar

Reference Material

Usage:

CX28 TBB

References

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NOTICE

The Operations and Maintenance Manual and Installation Guides are stored and printed from an electronic file. These files are revised periodically. To ensure that your hard copy of the document is the current version, consult your Caterpillar Representative. All paper copies are uncontrolled.

Service Manual, UENR1823, " CX28 Military On-Highway Transmission"

Specifications, Systems Operation/Testing, and Adjusting, UENR1826, "Power Train"

Disassembly and Assembly, KENR5098, "Power Train"

Systems Operation, Troubleshooting, Testing and Adjusting, KENR5099, "Power train"

Operation and Maintenance Manual, SEBU8527, "Power Train"

Systems Operation, UENR1224, " CX28 Transmission For Combat and Tactical Vehicles Transmissions and Transfer Case Electronic Control System"

Systems Operation, KENR6674, " TH31-C9I, TH31-C9P, TH31-C9T, TH35-C11I, TH35-C13I, TH35-C13T, TH35-C15I, and TH35-C15T Petroleum Power Train Packages and TH31-E61 and TH35-E81 Petroleum Transmissions Monitoring System"

Schematic, UENR1769, "Electrical System"

Special Instruction, REHS2883, "Application and Installation Guide (Mechanical)"

Special Instruction, REHS2884, "Application and Installation Guide (Electrical)"

Special Instruction, REHS3506, "Application and Installation Guide (Cooling System)"

Special Instruction, REHS4757, "Installation Audit Checklist for All Petroleum Transmissions"

Special Instruction, REHS3485, "Bench Test Procedure For A CX28 On-Highway Transmission"

Parts Manual, SEBP5070, " CX28 Military On-Highway Transmission" (Paper)

Parts Manual, SERP5070, " CX28 Transmission for Combat and Tactical Vehicles" (Paper)

Caterpillar Reference Material

Special Publication, PECP9067, "One Safe Source"

Special Publication, SEBU6250, "Caterpillar Machine Fluids Recommendations"

Special Publication, PEWJ0074, "Filter and Fluid Application Guide"

Special Publication, SEBF1020, "Component Durability, Managing Fluid Cleanliness"

Special Publication, SEBU5898, "Cold Weather Recommendations"

Special Instruction, SEHS9031, "Storage Procedure for Caterpillar Products"

Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide"

Service Manual, SENR3130, "Torque Specification Module"

Special Publication, PEHP7076, "Understanding S·O·S Services Tests"

Special Publication, PEHP6001, "How to Take a Good Oil Sample"

Additional Reference Material

ISO 1940-1"Rotating Shaft Balance"

SAE J754"Nomenclature" This information can normally be found in the SAE handbook.

SAE J183"Classification" This information can normally be found in the SAE handbook.

SELF5434"Warranty"

LEDW8065"Engine and Transmission Package Ratings Guide"

LEBW4972"Vibration"

LEBW4973"Noise"

LEBW4974"Mounting"

LEBW4975"Alignment"

WEHT1000" CX28 Non-PTO Specification Sheet"

WEHT1001" CX28 PTO Specification Sheet"

SAE - Society of Automotive Engineers
400 Commonwealth Drive
Warrendale, PA 15096 - 0001

SAE - INTERNATIONAL
www.sae.org
1-877-606-7323 Toll Free US + Canada1-724-776-4841

Transmission Ratings

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Table 1
Item Description		CX28
Item Description		Special Application
Maximum Gross Input Power	hp (kW)	450 (336)
Maximum Gross Input Torque	lb-ft (N-m)	1350 (1830)
Maximum Turbine Torque (forward)	lb-ft (N-m)	1770 (2400)
Maximum Turbine Torque (reverse)	lb-ft (N-m)	1770 (2400)
Rated Input Speed	rpm	2400
Minimum Input Speed	rpm	600
Maximum Input Speed	rpm	2800
Dry Weight Without PTO ⁽¹⁾	lb (kg)	594 (270)
Dry Weight With Side PTO	lb (kg)	665 (302)
Dry Weight With Rear PTO	lb (kg)	680 (309)
Forward Reverse Gears		6F/1R
Planetary Gear Ratios
1F		3.76
2F		1.96
3F		1.37
4F		1.00
5F		0.77
6F		0.65
1R		3.97
Overall		5.78
Torque Converters
TC36531		STR 2.6
TC36731		STR 2.3
TC36833		STR 1.9

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Does not include the following components: crankshaft adapter, flex plates, starter ring gear, bolts, output yoke and ECU. (SAE #2 FWH 28.5 kg (63 lb)) (SAE #1 FWH 37.5 kg (83 lb))