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Oesse Heat Exchangers

High-performance hydraulic cooling solutions since 1996. Compact, efficient, and engineered to endure the toughest environments. Trusted by OEMs worldwide, our systems deliver consistent reliability, long service life, and optimal thermal management for mobile and industrial machinery alike.

HL Series Premium Hydraulic Coolers

Trusted by leading OEMs and engineers across the UK, the HL Series sets a new benchmark for compact, high-efficiency oil cooling in demanding hydraulic applications.


HL Series Model Overview

Compare specifications across the HL Series range.

Model Cooling Capacity (kW) Fan Voltage Fan Type Weight (kg) Max Dimensions (mm)
HL5102.5–3.512V / 24VSuction / Blowing3.5240 × 220 × 190
HL5203.5–5.512V / 24VSuction / Blowing4.1290 × 240 × 200
HL5306.0–9.012V / 24VSuction / Blowing6.8340 × 260 × 210
HL5409.0–12.012V / 24VSuction / Blowing8.4400 × 300 × 220
HL55012.0–15.512V / 24VSuction / Blowing10.3430 × 360 × 240
HL56015.5–18.512V / 24VSuction / Blowing15.5500 × 420 × 270
HL57018.5–22.012V / 24VSuction / Blowing18.5550 × 470 × 300
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