Throttle Position Sensor 266-1466 for Caterpillar 770 770G 771C 771D 772 785
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Throttle Position Sensor for Caterpillar
This Throttle Position Sensor 266-1466 detects throttle plate position and delivers a precise input signal to the ECM for optimized fuel control on Caterpillar mining and haul trucks. This throttle position sensor provides reliable throttle response under heavy load and extreme duty cycles. Manufactured as a direct replacement for the 266-1466 OEM cross-reference.
Overview
This throttle position sensor 266-1466 translates accelerator pedal movement into an electrical signal that precisely controls fuel injection timing and volume. It is engineered for Caterpillar off-highway trucks and articulated haulers, ensuring dependable operation in dusty and high-temperature environments. This throttle position sensor maintains accurate engine response across the full operating range.
Built For Performance
- Contactless magnetic sensing eliminates mechanical wear points
- IP67 rated housing for complete protection against dust and water ingress
- Vibration-resistant internal components for severe haul road conditions
- Wide input voltage range compatible with 12V and 24V electrical systems
- Precision calibration ensures linear output from idle to wide-open throttle
Fits These Machines
- for Caterpillar 770
- for Caterpillar 770G
- for Caterpillar 771C
- for Caterpillar 771D
- for Caterpillar 772
- for Caterpillar 785
On-The-Job Use
- Provides stable throttle control during long uphill hauls in open-pit mines
- Ensures responsive acceleration when loading and dumping at quarry faces
- Supports precise speed modulation during downhill retarding operations
- Maintains consistent engine power for high-speed roading between sites
Specs At A Glance
| Part Number(s) | 266-1466 |
| Sensor Type | Throttle Position Sensor |
| Output Signal | Analog voltage |
| Operating Voltage | 5V reference |
| Connector | Deutsch sealed |
Good To Know
Q: Is this sensor compatible with the 770G electronically controlled engine? A: Yes, it matches the 266-1466 part number used across the 770G platform, but always cross-check your serial number for the correct harness connector.
Q: What happens if the sensor fails during operation? A: The ECM enters a default throttle mode, limiting engine power and speed. Replacing with this sensor restores full variable throttle control.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.