111-4870 (1114870) Timer Relay

Caterpillar (CAT) 24V Delay / Timer Relay (B-Series Classic Model)

I. Core Specifications

Part Number: 111-4870 / 1114870 (Commonly seen with an "X" suffix: 111-4870X)

Type: Timer Relay (Delay / Timing Relay)

Applicable Brand: Caterpillar (CAT)

Voltage: 24V DC (Standard for heavy machinery)

Functions: Engine start delay, pre-heating sequence control, safety circuit protection

Interface: Plug-in connection (typically 6-pin or 8-pin), features a metal mounting bracket

Operating Conditions: Vibration-resistant, dustproof, and wide-temperature-range design; suitable for harsh outdoor operating environments

II. Applicable Models (Mainstream)

Excavators

311B / 312B / 315B / 318B

320B / 320BL / 320BN

321B / 322B / 325B / 330B

345B and other classic B/C Series models

Engines

3046 / 3054 / 3066 / 3116 / 3306 Series

III. Replacement & Compatibility

Direct Replacement: Belongs to the same delay control category as 104-3204; interchangeable on select models

General Reference: Compatible as a delay relay replacement for certain Japanese-brand models (e.g., Komatsu, Hitachi, Hyundai); voltage and interface specifications must be verified

IV. TEMAX Supply Information (Ningbo TEMAX Solutions)

Quality Options

✅ Genuine Parts: Original CAT components; 100% match to OEM circuitry with superior stability

✅ OEM Replacement (Premium Aftermarket): Custom-manufactured to match OEM coil parameters and contact capacity; offers excellent value for money

Warranty: A 6-month warranty is provided for OEM replacement products

Stock Status: In-stock / Ready to ship; 1–3 [days/units] Rapid Dispatch

Packaging: Neutral Export Cartons / CAT Original Packaging / Customized Packaging

MOQ: Trial orders of 1 piece accepted; competitive pricing for bulk orders.