Can this be used on an old diesel tractor with no ignition system? What do you connect this to?

It is simply a clock. Connect it in parallel to any 12V device that is on when the tractor is running. If no such devices exist,then connect it to a 12V - 24V battery thru a switch. Turn it on when you start the tractor and off when stop.

No it is not back lit. Need to mount where it is easy to see.

What is the real size required for mounting? previous answers vary from 1.3 t0 1.5 to 1.8. which is it?? anyone have a ruler?

It measures 7/8" height x 1 13/32" width

I see you claim these are not water proof, but can it be used on a riding mower when it occassionally be in the rain?

I had one of these hour meters on my flats boat (salt water) for nearly 10 years with no issues. I replaced it with one from Amazon because I had the powerhead on the motor replaced, so the hour meter had to be zeroed out. I expect this replacement model to last.

Atoplee 12v To 36v Truck Tractor Diesel Outboard Engine Hour

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COP 177615

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Description

⏳ Track Every Hour, Own Every Mile!

ROBUST LIGHTWEIGHT - Compact 5x3.3x2 cm design weighing just 55g, built to withstand vibrations up to 8g.
MAINTENANCE MADE SIMPLE - Easily monitor engine hours to optimize oil changes and service intervals, avoiding costly downtime.
PRECISION YOU CAN TRUST - Quartz oscillator ensures ultra-accurate hour tracking for your heavy-duty machinery.
UNIVERSAL VOLTAGE RANGE - Operates seamlessly across 12 to 36 volts DC, perfect for trucks, tractors, and boats.
SPLASH RESISTANT DURABILITY - Engineered to resist splashes—ideal for rugged outdoor environments without full waterproofing.

The ATOPLEE 12V-36V Hour Meter is a compact, splash-resistant device featuring a quartz oscillator for precise time tracking up to 99,999.9 hours. Designed for trucks, tractors, boats, and other machinery, it supports a broad voltage range and withstands heavy vibrations, making it an essential tool for proactive maintenance and maximizing equipment lifespan.

Specifications

ASIN	B00M3V2Z2A
Best Sellers Rank	158,387 in Automotive ( See Top 100 in Automotive ) 10,287 in Car Engine & Engine Parts
Brand	ATOPLEE
Country Of Origin	China
Customer Reviews	4.3 out of 5 stars 232 Reviews
Item Dimensions	5.4 x 5.4 x 2.3 centimetres
Item Weight	0.02 Pounds
Item dimensions L x W x H	5.4 x 5.4 x 2.3 centimetres
Item weight	0.02 Pounds
Manufacturer	ATOPLEE
Manufacturer Part Number	SYS
Material	Plastic, Polycarbonate (PC)
Model Number	CECOMINOD005248
Number of items	1
UPC	601308131351
Unit Count	1.0 count
Unit count	1.0 count

Reviews

A**N

Good value

Works, inexpensive. What else?

10.07.2025

D**A

Conta ore facile da istallare

Ottimo prodotto montato su un mini escavatore

19.03.2023

R**Y

Bon produit

Fait bien

4.07.2024

M**N

Fits Bobcat. Works.

Fit my Bobcat 743. I replaced another brand that was defective right out of the box. I like this one because it has a dial that switches from black to white every 4 or 5 seconds so you know it's working. The other one I bought only went down to 1/10th of an hour which means you have to wait up to 6 minutes before you can see if it's moving. The only thing i don't lie is it doesn't unclude the rectangular retainer nor nuts/screws. But they didn't advertise those as included. So, I'm not subtracting any stars for that.

8.02.2026

E**L

passt gut

funktioniert wie beschrieben

22.04.2026

N**N

great product

perfect for what i need

9.12.2024

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