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M & MR Series Air Cooled Mobile Heat Exchanger, 1 NPT Ports, 1.21 sq ft Face Area

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Description & Features

The M & MR Series Air Cooled Mobile Heat Exchanger 1 NPT Ports 1.21 sq ft Face Area offers exceptional thermal efficiency and durability for industrial applications. Constructed with rugged steel manifolds and high-strength materials this unit ensures reliable thermal management even under demanding conditions.

Designed for versatility it supports oil flows up to 100 GPM and offers heat removal capabilities up to 90 000 BTU/Hr. The unit operates efficiently at a maximum temperature of 400F and a pressure rating of 300 PSI.

High-quality copper tubes and aluminum fins are utilized for optimal heat transfer while optional internal by-pass valves simplify installation and reduce costs. This robust heat exchanger covers a face area of 1.21 sq ft and includes standard 1 NPT ports.

Supplier Part Number: M-20

MPN: C1EQ78

Specifications

a Dimensions
12 in
b Dimensions
14-1/2 in
c Dimensions
14.88 in
Compatible Hydraulic Fluids
Bearing Lube Oil, Hydraulic Motor Oil, Hydrostatic Drive Oil and Lube Oil Circuits
Connection Type
NPT
d Dimensions
18.22 in
Dimensions
14.88 in H x 19.72 in W x 1.5 in D
e Dimensions
16.72 in
f Dimensions
9-1/2 in
g Dimensions
19.72 in
Material
Copper
Maximum Oil Temperature
110 to 130 deg F Hydraulic Motor Oil, 130 to 180 deg F Hydrostatic Drive Oil, 120 to 160 deg F Bearing Lube Oil, 110 to 130 deg F Lube Oil Circuits
Model
M-20
Mounting Type
Bracket
Oil Inlet Port Connection Type
NPT
Oil Outlet Port Connection Type
NPT
Port
1 in NPT

Product Questions & Answers (2)

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Question by: Phil H on Aug 7, 2025, 1:45 PM
What’s the deal with the ports on this thing? Are they all NPT, or can I get it with JIC fittings?
Answer by: Customer Support on Aug 9, 2025, 8:57 AM
Standard ports are 1 NPT, but SAE straight thread and male JIC 37° flare ports are optional.
Question by: Troy S on Dec 26, 2025, 7:19 AM
what's the max flow rate this cooler can handle before it starts losing efficiency? running a pretty high-demand hydraulic circuit and dont want to undersize it
Answer by: Customer Support on Dec 27, 2025, 4:59 PM
Oil flow capacity tops out at 100 GPM on this unit, so for most mobile hydraulic setups that's plenty of headroom. Heat removal peaks at 90,000 BTU/Hr, which lines up well with higher-flow circuits running under sustained load. As long as your system stays within those numbers, you shouldn't run into thermal issues from undersizing.

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